Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

80results about How to "Prolong dissolution time" patented technology

Traditional Chinese medicine combination for treating gynecology blood disease and preparation method thereof

ActiveCN101417064AMenstrual flowLong periodSexual disorderBlood disorderHerbSide effect
The invention discloses a traditional Chinese medicine combination for the treatment of gynecological hyperlipemia and a preparation method thereof. 60 portions to 120 portions of glossy privet fruit and 25 portions to 75 portions of charred pollen typhae are comminuted into fine powder of 50 meshes to 120 meshes, and set aside; 100 portions to 180 portions of angelica, 60 portions to 120 potions of motherwort herb, 80 portions to 120 portions of Yerbadetajo Herb, 80 portions to 150 portions of radix pseudoginseng, 25 portions to 75 portions of radices salviae miltiorrhizae, 80 portions to 120 portions of hairy vein agrimony, 25 portions to 75 portions of rhizoma cyperi charcoal, 25 portions to 75 portions of carbonized biota tops, 25 portions to 75 portions of radix codonopsis pilosulae, 25 portions to 75 portions of atractylodes macrocephala are added with 6 times to 20 times of water and then decocted for three times, namely 2 hours, 1.5 hours and 1 hour in sequence. Decoction solution is integrated and filtered; the filtrate is reserved; the filtrate is concentrated; fine powder of glossy privet fruit and charred pollen typhae are added into the concentrated filtrate, mixed evenly, dried and comminuted to fine powder of 60 meshes to 100 meshes, and sieving is carried out to obtain the combination. The drug has obvious treatment effects on symptoms of hypermenorrhea, large menstrual volume presented due to bradymenorrhea, prolonged menstruation, abnormal color quality in menstrual period, pain in the lower abdomen, lumbosacral aching, listlessness and the like, and is characterized by faster onset, high efficacy, few side effects and the like, being a comparatively ideal drug for the treatment of gynecological hyperlipemia.
Owner:衡水以岭药业有限公司

Modified coal asphalt product and preparation method thereof

The invention discloses a modified coal asphalt product. The modified coal asphalt product comprises the following materials in parts by weight: 50-80 parts of coal asphalt, 10-20 parts of petroleum asphalt, 1-4 parts of SBS (Styrene Butadiene Styrene), 5-35 parts of waste rubber powder, 20-30 parts of a cosolvent, 0.2-0.3 part of a stabilizer, 0.5-1 part of a flame retardant and 0.01-2 parts of an anti-ageing agent. The preparation method of the modified coal asphalt product overcomes defects in the prior art, is used for modifying the coal asphalt by adding the petroleum asphalt, the SBS, the waste rubber powder, the cosolvent, the stabilizer, the flame retardant and the anti-ageing agent into a reactor, and swelling and developing in a developing tank to obtain the modified coal asphalt product. The preparation method disclosed by the invention is simple, and the prepared product is long in service life, wide in material resource, low in cost, less in equipment investment, small in floor space and easy for large-scale production.
Owner:ANHUI AODE MINING MACHINERY & EQUIP LTD

Preparation method for carboxyethyl welan gum

The invention discloses a preparation method for a carboxyethyl welan gum. The preparation method comprises the following steps: dissolving welan gum in water under the condition of stirring, dripping solution prepared from 3-chloropropionic acid and a catalyst into the welan gum water solution, reacting for 1 to 6 h at normal pressure and 60 to 80 DEG under the condition of stirring, collecting the reaction liquid, pouring the reaction liquid in anhydrous ethyl alcohol to enable carboxyethyl welan gum to be separated, washing, drying, and smashing to obtain the carboxyethyl welan gum. According to the invention, carboxylic acid group is introduced to welan gum, so that the water dissolving speed of welan gum can be improved.
Owner:NANJING UNIV OF TECH

Household water treatment filter material capable of slowly releasing vitamin C and preparation method thereof

The invention discloses a household water treatment filter material capable of slowly releasing vitamin C. The household water treatment filter material is prepared from the following components in percentage by weight: 50 to 95 percent of a hydrophilic organic macromolecular polymer, 1 to 20 percent of vitamin C, 0.5 to 5 percent of vitamin E, 2 to 20 percent of an inorganic porous adsorbent, 2 to 5 percent of a foaming agent and 0.1 to 0.4 percent of an antioxidant synergist. The invention further discloses a preparation method of the household water treatment filter material capable of slowly releasing vitamin C. The filter material can control the slow release speed of vitamin C and prolong the dissolving time of vitamin C.
Owner:XIAMEN BAILIN WATER PURIFICATION TECH CO LTD

Oil-proof sustained-release solid foaming drainage agent used for gas wells, and preparation method and applications thereof

The invention discloses an oil-proof sustained-release solid foaming drainage agent used for gas wells, and a preparation method and applications thereof. The oil-proof sustained-release solid foaming drainage agent is mainly used for solving problems of conventional solid foaming drainage agents that high local concentration and waste are caused because of high dissolving speed, and preferable application is different to realize when gas well output water is high in gas condensate content, high in mineralization degree, and high in temperature. The dissolving time of the oil-proof sustained-release solid foaming drainage agent at 90 DEG C formation water condition is longer than 72h, and agent effect lasting time is long; the oil-proof sustained-release solid foaming drainage agent is capable of resisting gas condensate of 50% or higher, temperature of 120 DEG C or higher, and mineralization degree of 250000ppm; the foaming power is equal to or larger than 140mm; foam stabilizing time is long; and compatibility with agents such as methyl alcohol, corrosion inhibitors, and scale inhibitors is high. The preparation method is simple; no environment pollution is caused; no chemical reaction of products with gas and liquid ingredients is caused; equipment or pipeline corrosion is not caused; the prominent problems of gas wells are solved; and the oil-proof sustained-release solid foaming drainage agent is suitable for a plurality of water-producing gas wells.
Owner:四川锦盛油田技术服务有限公司

Method for recycling acetate fibers from cigarette butt filter tip

The invention relates to a method for recycling acetate fibers from a cigarette butt filter tip by utilizing acetic acid as a solvent. The method is characterized in that only the acetic acid is taken as the solvent, and the acetate fibers are efficiently recycled from a cigarette butt. The acetate fibers are recycled by controlling reaction conditions such as solvent concentration, solvent volume, dissolution time and dissolution temperature. Operation is simple, cost is low, equipment is simple, and technology is stable.
Owner:浙大宁波理工学院

Washing agent box and washing machine

The invention discloses a washing agent box, belongs to the washing machine parts field, and solves the problems in the prior art that a washing agent box is hard to open; the washing agent box of the invention mainly comprises a box body and a water spray assembly; a washing agent input chamber and a water outlet are arranged in the box body; the water outlet is connected with the washing agent input chamber; the water spray assembly is arranged on the top of the box body and sprays water in the box body, and provided with an input through hole used for inputting washing agent, wherein the input through hole is connected with the washing agent input chamber; a cover plate used for opening or closing the input through hole is arranged above the water spray assembly; the washing agent box of a washing machine is used for temporarily placing the washing agent; the invention also provides the washing machine using the washing agent box, and the appearance of the washing machine cannot be affected with the installed washing agent box.
Owner:PANASONIC APPLIANCES CHINA CO LTD +1

Method for improving dissolving speed of rubber in asphalt

The invention provides a method for improving the dissolving speed of rubber in asphalt. The method comprises the following steps: mixing natural rubber, asphalt, a cosolvent and a reinforcing agent in proportion, blending, reasonably controlling the temperature and time to prepare mixed rubber, soaking the mixed rubber and then scientifically proportioning the mixed rubber with the asphalt, selecting the cosolvent and the reinforcing agent with the best effect, controlling the stirring temperature and speed to accelerate the dissolving speed of rubber in asphalt, improve the softening point and aging resistance of asphalt, and enable the prepared natural asphalt rubber to have good economic benefits and environmental protection benefits.
Owner:海南省先进天然橡胶复合材料工程研究中心有限公司

Novel beverage blending container

The invention discloses a novel beverage blending container. The novel beverage blending container comprises an external holder and a heat resistant container installed in a cavity of the external holder, and a diverter and a filter plate are installed inside a cavity of the heat resistant container; a communicating cylinder is downwards arranged at the hole position in the middle of the bottom of the filter plate, a pin-shaped needle is installed inside the cylinder, a cylindrical structure of the upper portion of the pin-shaped needle is installed in the cylinder and moves up and down between the upper limit and the lower limit, the middle of the pin-shaped needle is an elbow-shaped elastic body bending to the two sides, the lower portion of the needle is of a cone-shaped structure, and a circle of boss is arranged on the periphery of the upper portion of the cone-shaped structure; a round hole is formed in the middle of the bottom of the external holder, the inner wall of the round hole is folded upwards to form a protrusion, and an annular structure with an opening facing upwards is arranged at the bottom of the heat resistant container. Accordingly, constant voltage output of a beverage in the beverage blending container is achieved, the mouthfeel of the beverage is improved, pollution in the using process is completely eradicated, and the beverage flowing out can not be splashed.
Owner:SHENZHEN DINGJIA HONGSI BEVERAGE TECH CO LTD

Platinum-catalyzed silicone drug delivery devices and methods of use thereof

The present invention provides intravaginal drug delivery devices, such as intravaginal rings, comprising active pharmaceutical ingredients (APIs) having terminal alkene, alkyne or carbonyl functionalities. The devices of the invention exhibit increased recovery of the active pharmaceutical ingredient from platinum-catalyzed silicone polymers due to the optimization of drug particle size and cure conditions. The present invention also provides methods of preventing unintended pregnancy in a female human, methods of preventing unintended pregnancy in a female human and HIV infection in a female human, and methods of preparing intravaginal drug delivery devices.
Owner:INT PARTNERSHIP FOR MICROBICIDES

Device for quantitatively putting cleanser into toilet water tank

The invention discloses a device for quantitatively putting a cleanser into a toilet water tank. The device comprises a suction cup sucked to the side wall of the toilet water tank, a barrel is fixedly connected to the side wall of the suction cup, a rotating shaft penetrates through the side wall of the barrel in the horizontal direction, a column is coaxially fixedly connected to the end, located in the barrel, of the rotating shaft, the side wall of the column is provided with three cleanser troughs at equal intervals in the circumferential direction, a conveying pipe is fixedly connected to the side wall of the barrel, a cleanser box is fixedly connected to the end, away from the barrel, of the conveying pipe, a one-way bearing sleeves the outer side of the portion, located outside thebarrel, of the rotating shaft, a gear ring sleeves the outer side wall of the one-way bearing, a rack arranged in the vertical direction is slidingly connected to the side wall of the barrel and is meshed with the gear ring, and a connecting piece is fixedly connected to the side wall of the rack. The device is novel in concept and simple in structure; a cleanser can be quantitatively provided for cleaning a toilet bowl in each time of flushing, and the cleanness of the toilet bowl is maintained.
Owner:郝诗敏

Traditional Chinese medicine combination for treating gynecology blood disease and preparation method thereof

The invention discloses a traditional Chinese medicine combination for the treatment of gynecological hyperlipemia and a preparation method thereof. 60 portions to 120 portions of glossy privet fruit and 25 portions to 75 portions of charred pollen typhae are comminuted into fine powder of 50 meshes to 120 meshes, and set aside; 100 portions to 180 portions of angelica, 60 portions to 120 potionsof motherwort herb, 80 portions to 120 portions of Yerbadetajo Herb, 80 portions to 150 portions of radix pseudoginseng, 25 portions to 75 portions of radices salviae miltiorrhizae, 80 portions to 120 portions of hairy vein agrimony, 25 portions to 75 portions of rhizoma cyperi charcoal, 25 portions to 75 portions of carbonized biota tops, 25 portions to 75 portions of radix codonopsis pilosulae,25 portions to 75 portions of atractylodes macrocephala are added with 6 times to 20 times of water and then decocted for three times, namely 2 hours, 1.5 hours and 1 hour in sequence. Decoction solution is integrated and filtered; the filtrate is reserved; the filtrate is concentrated; fine powder of glossy privet fruit and charred pollen typhae are added into the concentrated filtrate, mixed evenly, dried and comminuted to fine powder of 60 meshes to 100 meshes, and sieving is carried out to obtain the combination. The drug has obvious treatment effects on symptoms of hypermenorrhea, large menstrual volume presented due to bradymenorrhea, prolonged menstruation, abnormal color quality in menstrual period, pain in the lower abdomen, lumbosacral aching, listlessness and the like, and is characterized by faster onset, high efficacy, few side effects and the like, being a comparatively ideal drug for the treatment of gynecological hyperlipemia.
Owner:衡水以岭药业有限公司

Antifreezing agent composition and its production process

The present invention discloses one kind of antifreezing agent composition and its production process. The antifreezing agent composition is produced with sodium chloride 40-60 weight portions, calcium chloride 5-15 weight portions, magnesium chloride 30-45 weight portions and corrosion inhibiting additive 1-3 weight portions. The corrosion inhibiting additive is mixture of trisodium citrate or trisodium phosphate and magnesium sulfate in the equal ratio. The production process includes the steps of sorting material, drying, sieving and mixing. The antifreezing agent composition is spread in road with ice and snow and can thaw ice and snow effectively to ensure traffic safety.
Owner:WEIFANG CHANGDA CHEM

Kitchen cleaning wipe and production method thereof

The invention relates to a kitchen cleaning wipe and a production method thereof. The kitchen cleaning wipe comprises pearl-patterned spunlace nonwoven fabric dipped with detergent. The detergent comprises, by weight percentage, 8-15% of dodecylbenzene sulfonic acid, 1.3-2.4% of potassium hydroxide, 0.8-3% of fatty alcohol-polyoxyethylene ether, 1-5% of alkyl polyglycoside, 0.05-0.1% of citric acid, 3-6% of medical alcohol, 0.2-0.3% of lemon essence and the balance of purified water. The kitchen cleaning wipe has the advantages that the detergent of the kitchen cleaning wipe is compounded by anionic surfactant dodecylbenzene sulfonic acid, nonionic surfactant fatty alcohol-polyoxyethylene ether and alkyl polyglycoside and can thoroughly remove stubborn stains; residual marks such as residual foam on the hard surface of an object after a user wipes the object with the kitchen cleaning wipe are avoided, the kitchen cleaning wipe is few in foam, and water cleaning is not needed; the detergent is neutral, so that the kitchen cleaning wipe is applicable to any hard surfaces, mild and environmentally friendly, and the whole kitchen can be cleaned by one kitchen cleaning wipe.
Owner:SHENZHEN JIEWANG FINE CHEM TECH

Edible slow dissolving film for treating oral ulcerations

The invention relates, in one aspect, to a mucoadhesive edible slow dissolving film comprising a salt of alginic acid, an edible cellulose derivative, an edible protein, and edible polymer delaying the dissolution in a physiological fluid of the edible film selected from polyvinylpyrrolidone, a carboxyvinyl polymer and mixtures thereof, in an amount effective to delay the dissolution time of the film in a biological fluid. The edible film is suitable for cicatrizing oral ulcerations or lesions or for forming a layer on oral mucosae or gingiva affected by ulcerations or lesions for protecting against mechanical abrasions, infections or caustic agents.
Owner:BETA PHARM SA

Namometer compound asphalt modifying agent and preparation method thereof

The invention discloses a nanometer compound asphalt modifying agent and a preparation method thereof. The modifying agent comprises the following components in parts by weight: 3 to 5 parts of a nanometer nanometer material; 30 to 50 parts of thermoplastic styrene elastomers; 30 to 40 parts of a regenerated rubber powder; 20 to 40 parts of a regenerated polyethylene material; 1 to 2 parts of a vulcanizing agent; the dosage of maleic anhydride grafted PE is 1.5 to 3 percent of that of the regenerated polyethylene material. The nanometer compound asphalt modifying agent has the advantages that surface treatment is firstly performed on nanometer material, the lipophilicity of the nanometer material is improved, the dispersity of the nanometer material in asphalt is improved, the mixing of the nanometer material into the modifying agent can further improve the high and low temperature stability of the modified asphalt with the modifying agent being added.
Owner:JIANGSU SINOROAD TRANSPORTATION SCI & TECH CO LTD

Polyvinyl alcohol powder soluble in water and preparation method thereof

The invention discloses polyvinyl alcohol powder soluble in water and a preparation method thereof .The polyvinyl alcohol (PVA) powder soluble in water is prepared from, by weight, 59-73 parts of polyvinyl alcohol powder (25-120 mesh), 3-10 parts of polyvinyl alcohol (PEG), 1-3 parts of surface wetting penetrant, 2-5 parts of compatilizer, 1-3 parts of tackifier and 20 parts of water .High-speed mixing treatment is carried out for 30 min at the temperature of 80 DEG C or above, then drying, crushing and screening are carried out, and the polyvinyl alcohol powder is prepared .The dissolving temperature of the polyvinyl alcohol powder treated through the technology in water is greatly reduced, the dissolving time of polyvinyl alcohol powder particles in the water is obviously shortened, and the efficiency of preparing a polyvinyl alcohol water solution is greatly improved .
Owner:SOUTH CHINA UNIV OF TECH

Accurate agricultural seed fertilizing device

The invention discloses an accurate agricultural seed fertilizing device. A motor box is connected to the top end of a stirring box, a stirring rod is rotationally connected to the inner side of the stirring box in an embedded mode, a fixing rod is connected to the edge of the inner side of the stirring box, a material scattering disc is rotationally connected to the position, corresponding to one side of the stirring rod, of the top end of the fixing rod, a crushing box is embedded and connected at the top end of the stirring box corresponding to the position above the material scattering disc, and crushing rollers are symmetrically and rotationally connected to the inner side of the crushing box. According to the device, through a stirring mechanism, chemical fertilizer poured into the stirring box can be dispersed, the chemical fertilizer mixed into water can be stirred, workers can conveniently and uniformly disperse the chemical fertilizer into the stirring box, a worker can conveniently and fully stir the chemical fertilizer and the water, the dissolving speed of the chemical fertilizer is increased, the preparation time of the fertilizer is shortened, and the situation that the worker pours too much chemical fertilizer to cause stacking, influences the mixing of the dissolved chemical fertilizer and the water to generate the fertilizer and further prolongs the preparation time of the fertilizer is avoided.
Owner:邯圣种业集团股份有限公司

Moving environment-friendly type exterior-interior aerator

The invention discloses a moving environment-friendly type exterior-interior aerator which comprises a carrier, an aeration mechanism, an axis rotation assembly and a telescopic traction rod, wherein the carrier comprises two buoys, a hoop and a steel tube belt fastener; the aeration mechanism is mounted between the two buoys through a support rod, and comprises a host machine, a motor mounted above the host machine through a support rod, an oxygen-accumulating covering cylinder mounted outside the motor and air-collecting pipes mounted at the inner sides of the two buoys; an exhaust pipe communicated with the host machine is arranged at the bottom of the oxygen-accumulating covering cylinder; the axis rotation assembly is fixed on a foundation pile in the center of a water body through an assembly base arranged at the bottom of the axis rotation assembly; two ends of the telescopic traction rod are connected with the carrier respectively through an L shaft assembly and the axis rotation assembly; and cables connected with the axis rotation assembly and the carrier are arranged on the telescopic traction rod. The aerator disclosed by the invention is applicable to oxygenation of fish ponds with different water depths, can realize oxygenation and fertilization, can improve water quality, and can be used for treating sewage and industrial waster water.
Owner:海宁经开产业园区开发建设有限公司

Targeted positioning type film coating premix and preparation method thereof

The invention relates to the field of medicine coating materials, and particularly discloses a targeted positioning type film coating premix. The targeted positioning type film coating premix is prepared from the following raw materials in parts by weight: 45 to 55 parts of polyacrylic resin III, 20 to 25 parts of Eudragit RS100, 8 to 12 parts of an anti-sticking agent, 12 to 18 parts of a plasticizer, 1 to 3 parts of tween-80 and 0.5 to 2 parts of a coloring agent, the preparation method comprises the following steps: S1, weighing: weighing the raw materials in proportion for later use; and S2, taking the weighed raw materials, taking water and ethanol as solvents, mixing, drying, premixing, grinding, sieving, and mixing again to obtain the targeted positioning type film coating premix. The targeted positioning type film coating premix disclosed by the invention can be used for coating medicines and has the advantages of targeted positioning and sustained and controlled release.
Owner:BEIJING YINGMAO PHARMA

Beverage ingredient container achieving stable-pressure outputting

ActiveCN106859347AGood for slow dissolutionProlong dissolution timeBeverage vesselsRubber ringEngineering
The invention discloses a beverage ingredient container achieving stable-pressure outputting. The beverage ingredient container comprises an external retainer and a heat-resistant container arranged in a cavity of the external retainer, and a micro filtering divider and a micro filtering transformer are installed in a cavity of the heat-resistant container; the micro filtering transformer comprises a filtering plate, flow guide grooves are formed in the surface of the filtering plate, an axial column is arranged at the bottom of the middle of the filtering plate, pores are formed at the periphery of the axial column, and the bottom of the axial column is sleeved with a rubber ring; a circular hole is formed in the bottom of the middle of the external retainer, the inner wall of the circular hole is upwards flanged to form a protrusion, a cup-shaped structure with an upward opening is arranged at the bottom of the heat-resistant container, the protrusion is connected with the cup-shaped structure in an abutting mode, and a buffer space is formed over the cup-shaped structure. Accordingly, stable-pressure outputting of a beverage in the beverage ingredient container is achieved, the mouthfeel of the beverage is improved, contamination generated in the using process is completely eradicated, and the flow-out beverage cannot splash.
Owner:SHENZHEN DINGJIA HONGSI BEVERAGE TECH CO LTD

Preparation method for quick-dissolving support for microtraumatic quick vascular anastomosis technique

A preparation method of the invented quick-soluble scaffold for anastomosis of blood vessel includes the following steps: firstly, preparing double-distilled water solution by using dissolvable polymer, heating the above-mentioned solution, quickly stirring and adding physiological salt powder to form ropy compound, using mould to extrude or draw the said compound to make it into claviform or hollow tube which is identical to vassel of human body in diameter so as to obtain the invented soluble scaffold material. This blood vessel scaffold possesses micrometer level porosity in structure, after it is compounded with physiological salt crystal, its mechanical strength is increased, in the course of application, it features proper dissolving time, smooth surface, good elasticity and does not damage endangium, and it is non-toxic, and has no residual. It is quick in anastomosis speed, simple and easy to implement.
Owner:GENERAL HOSPITAL OF PLA +1

Collagen polypeptide solution clarifying method

The invention discloses a collagen polypeptide solution clarifying method. Chitosan is used as a flocculating agent to clarify a solution in the collagen polypeptide production process. The method is simple in steps and easy in operation.
Owner:YANTAI DONGCHENG PHARMA GRP

Device for checking for lumen passage and method of producing device for checking for lumen passage

An object is to provide a lumen passability checking device that can definitely maintain a capsule shape for a predetermined time necessary to confirm patency. A soluble portion 41 provided in a first insoluble portion 42, which maintains the capsule shape, is divided with an insoluble portion 63 to form a dissolution route 62 that progresses from a part of a surface to inside. By forming the dissolution route 62 longer, a time taken by the soluble portion 41 to dissolve in the lumen is structurally made longer, which maintains the capsule shape for an extended time.
Owner:OLYMPUS CORP

Spectinomycin hydrochloride soluble powder capable of being directly dissolved in oil seedlings and preparation method thereof

The invention discloses a spectinomycin hydrochloride soluble powder capable of being directly dissolved in oil seedlings, and belongs to the technical field of veterinary drug preparations. The spectinomycin hydrochloride soluble powder capable of being directly dissolved in oil seedlings comprises 40 parts of spectinomycin hydrochloride, 20 parts of lincomycin hydrochloride, 3-6 parts of an oil / water emulsifier, 7-10 parts of a water / oil emulsifier, 2-4 parts of immune polysaccharides and 20-28 parts of auxiliary materials. The soluble powder can be directly and uniformly dissolved in oil seedlings without any oil seedling dilution liquid, and solves the problems of need of dissolving in the oil seedling dilution liquid, poor dissolving effect, low uniformity, low bioavailability and high use cost in the prior art. The spectinomycin hydrochloride soluble powder facilitates the clinic breeding operation and application on the basis of guaranteeing the quality and the curative effect of the above product, and reduces the use cost.
Owner:山东迅达康兽药有限公司

A kind of anti-oil slow-release solid foam drainage agent for gas well, its preparation method and application

The invention discloses an oil-proof sustained-release solid foaming drainage agent used for gas wells, and a preparation method and applications thereof. The oil-proof sustained-release solid foaming drainage agent is mainly used for solving problems of conventional solid foaming drainage agents that high local concentration and waste are caused because of high dissolving speed, and preferable application is different to realize when gas well output water is high in gas condensate content, high in mineralization degree, and high in temperature. The dissolving time of the oil-proof sustained-release solid foaming drainage agent at 90 DEG C formation water condition is longer than 72h, and agent effect lasting time is long; the oil-proof sustained-release solid foaming drainage agent is capable of resisting gas condensate of 50% or higher, temperature of 120 DEG C or higher, and mineralization degree of 250000ppm; the foaming power is equal to or larger than 140mm; foam stabilizing time is long; and compatibility with agents such as methyl alcohol, corrosion inhibitors, and scale inhibitors is high. The preparation method is simple; no environment pollution is caused; no chemical reaction of products with gas and liquid ingredients is caused; equipment or pipeline corrosion is not caused; the prominent problems of gas wells are solved; and the oil-proof sustained-release solid foaming drainage agent is suitable for a plurality of water-producing gas wells.
Owner:四川锦盛油田技术服务有限公司

Implementation method of preventing and treating thrombus with black fungus

The invention discloses an implementation method of preventing and treating thrombus with black fungus. The implementation method comprises following steps: (1) soaking 500g of the black fungus in cold water; (2) crushing the black fungus through a pulverizer and extracting black fungus polysaccharide from the black fungus in a water-soluble manner or a lipid-soluble manner; (3) feeding experimental rabbits with each experimental black fungus polysaccharide component in equal amount for 2 months in an intragastric administration manner; (4) observing physical indexes of the experimental rabbits in vitro; (5) performing statistical analysis to the physical indexes of the experimental rabbits with results being all represented as (x+ / -S), wherein a t-test method is employed for comparison among groups and a statistical difference exists with P<0.05. The method, by means of the black fungus polysaccharide in the black fungus, can prolong a forming time of New Zealand rabbit specific thrombus and fibrous protein thrombus, reduce in-vitro thrombus length and reduce wet weight and dry weight of the thrombus, can reduce platelet adhesiveness rate and blood viscosity, can significantly reduce a dissolving time of euglobulin, can reduce plasma fibrinogen content, can increase plasmin activity and has significant thrombus forming resistance.
Owner:上海市建青实验学校

Persistent adhesion type periodontal plug treatment agent and preparation method thereof

The invention relates to a persistent adhesion type periodontal occlusion treatment agent and a preparation method thereof. The persistent adhesion type periodontal occlusion treatment agent comprises mussel mucin, a hydrophilic polymer, a hydrophobic polymer, a diluent and a plasticizer, in parts by weight, the content of the mussel mucin is 4 to 20 parts, the content of the hydrophilic polymer is 28 to 40 parts, the content of the hydrophobic polymer is 23 to 45 parts, the content of the diluent is 6 to 15 parts, and the content of the plasticizer is 4 to 12 parts. The persistent adhesion type periodontal occlusion treatment agent has adhesion and durability, is long in dissolution time, soft and plastic, can adapt to complex conditions of the oral cavity, and can adhere to the wound surface of the oral cavity more enduringly to effectively adhere and seal the affected part; the persistent adhesion type periodontal occlusion treatment agent is suitable for protecting postoperative wounds of oral surgery, periodontal surgery or maxillofacial surgery, and effectively obstructs stimulating factors in the external environment.
Owner:博纳格科技(天津)有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products