40 results about "Light liquid paraffin" patented technology

The invention relates to a cigarette blast bead and a preparation method thereof. The preparation method comprises the steps of mixing and hot-melting the gel shell materials of, by weight part, 10 parts of water, 1-2 parts of gelatin, 1-2 parts of Arabic gum, 0.2-1 parts of modified starch, 0.5-2 parts of chitosan and 0.1-0.5 part of sodium alginate, and keeping mixing during the melting process to obtain shell gel solution; mixing, by weight part, 1-2 parts of essence and 5-10 parts of light liquid paraffin to obtain core gel solution; in a concentric dropping device, feeding the core gel solution from the inner layer and the shell gel solution from the outer layer to form concentric fluid column flowing inside coolant so that drops can shrink into beads under the action of surface tension to obtain primary wet beads; performing calcification, dyeing, oil absorption and drying on the primary wet beads to obtain the cigarette blast bead. The drop shaping manner solves the problems of shell thickness non-uniformity and lack of roundness during existing national blast bead production and enables the finished cigarette blast bead to be attractive in appearance and uniform in shell thickness, and when pinched up, being uniform in stress and good in hand feeling.

A method for recovering waste iron-base catalyst and heavy hydrocarbon includes extracting and separating mixer of waste iron-base catalyst and heavy hydrocarbon with high liquid paraffin having initial distillation point of 210 deg.C for three to four times for achieving purpose of separating catalyst from heavy hydrocarbon. The recovered waste iron-base catalyst is to be buried underground and the recovered mixer of light liquid paraffin and heavy hydrocarbon can be directly used to produce oil product or sent back to fluid bed reactor for being reutilized as reaction media.

The invention relates to the technical field of an external preparation medicament, in particular to an external preparation medicament containing momestasone furoate. The external preparation medicament is prepared from the following raw materials in part by weight: 15 parts of the momestasone furoate, 45 parts of hexadecyl-octadecyl alcohol, 7.5 parts of glyceryl monostearate, 5 parts of beeswax, 8 parts of triethanolamine, 35 parts of light liquid paraffin, 2 parts of sodium lauryl sulfate, 8 parts of sodium lauryl sulfate, 25 parts of propylene glycol, 1 part of Hydroxy acetate, 2 parts of tween-80, and the balance of purified water which is added to ensure that the total weight is 500 parts. The cream has better moisture retention and stability because the humectant combination of the triethanolamine and the propylene glycol is adopted.

The invention discloses external use emulsifiable paste for treating skin diseases and with econazole nitrate and triamcinolone acetonide as active components and a preparation method. The triamcinolone acetonide and econazole emulsifiable paste is prepared from, by weight, 10 parts of econazole nitrate, 1 part of triamcinolone acetonide, 3-10 parts of glycerin monostearate and glycerol distearate, 10-20 parts of stearic acid, 1-10 parts of albolene, 0.8-7 parts of light liquid paraffin, 8-17 parts of glycerinum, 1-10 parts of triethanolamine, 0.08-0.5 part of ethylparaben, 0.08-0.5 part of borax, 0.5-5 parts of dimethyl sulfoxide and 10-60 parts of distilled water. The preparation method includes the steps of oil phase preparation, water phase preparation and finished product preparation. The preparation method includes the steps of oil phase preparation, water phase preparation and finished product preparation. The paste has the advantages that by means of the optimized formula, stability of the preparation is improved, the problem that econazole nitrate and triamcinolone acetonide are difficult to dissolve is solved, and the complex skin diseases caused by fungus and bacterial infection are effectively treated.

The invention provides tacrolimus ointment and a preparation method thereof. The tacrolimus ointment is prepared from the following components in parts by weight, 0.001-0.1 part of tacrolimus, 1-17.4 parts of light liquid paraffin, 0.1-1 part of paraffin, 0.1-7.5 parts of propylene glycol, 5-72 parts of white petrolatum, 0.1-2 parts of white beeswax and 0.1-10 parts of calamine powder. The preparation method comprises the following steps: (1) adding a formulated quantity of matrix components into an emulsification tank of an emulsifying mixer, heating the matrix components to 90 DEG C, mixing the matrix components for 20 minutes to completely dissolve the matrix components, leading condensate water into the emulsification tank and cooling materials to 70 DEG C for standby application; (2) adding a formulated quantity of the propylene glycol, magnetically mixing the materials for 60 minutes to dissolve the propylene glycol, and heating the materials to 70 DEG C in a water bath; (3) adding tacrolimus solution into an ointment matrix at the same temperature and homogenizing the tacrolimus solution; (4) detecting and sub-packaging semi-finished products; (5) capping the tail part of the filled ointment by a capper; (6) packaging and warehousing the ointment. The method is simple, the ointment avoids adverse side effects caused by glucocorticoids, and a good solution is provided for specific skin diseases.

The invention relates to a terbinafine hydrochloride cream. According to the invention, terbinafine hydrochloride with an effective amount is adopted as a main raw material, and the cream is prepared with the main raw material and pharmaceutically acceptable auxiliary materials of sodium dodecyl sulfate, propylene glycol, glycerol monostearate, octadecanol, white vaseline, light liquid paraffin, ethyl paraben, and water. The cream provided by the invention has the advantages of moisturizing cream body, good spreadability, convenient medication, low irritation to skins, good treatment effect, and stable quality.

The invention discloses a method for preparing coal-based light liquid paraffin from a coal indirect liquefied oil product and coal-based light liquid paraffin obtained through the method. The method comprises hydrorefining, fractionation and de-waxing. The light liquid paraffin obtained through the method is high in n-alkane content, free of aromatic hydrocarbons, sulfur or nitrogen and low in preparation cost and is a superior chemical industrial raw material. According to the invention, raw materials and preparation methods of light liquid paraffin applied to industries, such as chlorinated paraffin, straight-chain alkyl benzene, a plastic plasticizer and a protein concentrate, are made to be diversified.

The invention relates to an econazole nitrate vaginal soft capsule and a preparation method thereof, wherein the econazole nitrate vaginal soft capsule comprises a soft capsule skin and contents filled in the soft capsule skin, wherein the contents are as follows: Parts by weight include: 50 parts of econazole nitrate, 250-350 parts of white vaseline, 25 parts of beeswax and 325-425 parts of light liquid paraffin; the soft capsule skin includes by weight parts: 1 part of gelatin, 0.6 1 part glycerin, 1 part water and 0.008 part opacifier. The econazole nitrate vaginal soft capsule of the present invention can be stored and transported at room temperature, which is convenient for patients to store the drug and ensure the quality and use of the drug, and the soft capsule skin contains a sunscreen, which effectively prevents econazole nitrate Econazole nitrate is stable due to product changes due to exposure to light during storage and transportation.

The invention discloses a hydrotreating method of chlorine-containing waste animal and plant oil. The method comprises: a) pumping waste animal and plant oil into a dechlorination tower through a pump, and carrying out a dechlorination reaction; b) uniformly mixing the dechlorinated material and liquid paraffin to obtain a mixture; c) feeding the obtained mixture and hydrogen into a hydrofining reactor in a mixed manner, and carrying out a hydrofining reaction; d) separating the obtained material in a high-pressure separator to obtain gas, product oil and product water; and e) feeding the product oil into a steam stripping tower, carrying out desulfurization, feeding the desulfurized product oil into a normal-pressure fractionating tower, and carrying out fractionation, wherein light liquid paraffin is obtained at the upper portion of the normal-pressure fractionating tower, and liquid paraffin is produced at the bottom of the normal-pressure fractionating tower. According to the method of the invention, the chlorine ions in waste animal and vegetable oil can be removed before hydrofining, so that the corrosion of hydrogen chloride and water generated by the reaction to equipment and pipelines is reduced, the safety of the device is improved, the requirement for equipment materials is lowered, and the quality of biodiesel is improved.

The invention provides a preparation process of cough relieving loquat soft capsules and in particular relates to the technical field of cough relieving medicine preparation. The preparation process is characterized in that the formulation of every 100,000 granules comprises 34.2Kg of loquat leaves, 25Kg of opium poppy capsule, 7.5Kg of sessile stemona root, 4.5Kg of willowleaf swallowwort rhizome, 3Kg of white mulberry root-bark, 2.85Kg of platycodon root, 0.080Kg of menthol, 43Kg of polyethylene glycol (400), 41Kg of gelatin, 14.35Kg of glycerin, 55.35Kg of ethylparaben and 25Kg of light liquid paraffin. The preparation process has the beneficial effects that the preparation process is particular; the medicines are reasonable in proportioning and are packaged by adopting soft capsules, thus being convenient for patients to control the doses; the medicines have obvious effects.

The invention discloses a method for preparing liquid paraffin by hydrogenating waste animal and plant oil. The method comprises the following steps: a) uniformly mixing the waste animal and plant oilwith the liquid paraffin to obtain a mixture; b) mixing the mixture with hydrogen, feeding the mixture and hydrogen into a hydrofining reactor, and carrying out a hydrofining reaction; c) feeding a material generated by the reaction into a hydrodewaxing reactor, and then carrying out a hydrodewaxing reaction; d) feeding the obtained material into a high-pressure separator, and performing separation to obtain a gas, product oil and product water; and e) feeding the product oil into a stripping tower, desulfurizing the product oil, then feeding the desulfurized product oil into a normal-pressure fractionating tower, and performing fractionation to obtain light liquid paraffin at the upper part of the normal-pressure fractionating tower and liquid paraffin at the bottom of the normal-pressure fractionating tower. The hydrodewaxing process is added, a proper hydrodewaxing catalyst is selected, and the hydrodewaxing process parameters are adjusted to produce the liquid paraffin with a condensation point of -30 DEG C without changing the hydrofining process parameters.

The invention provides external use emulsifiable paste for treating skin diseases and with econazole nitrate as an active component and a preparation method. The emulsifiable paste is basically prepared from, by weight, 10 parts of econazole nitrate, 3-10 parts of glycerin monostearate and glycerol distearate, 10-20 parts of stearic acid, 1-10 parts of albolene, 0.8-7 parts of light liquid paraffin, 8-17 parts of glycerinum, 1-10 parts of triethanolamine, 0.08-0.5 part of borax and 15-75 parts of distilled water. The preparation method includes the steps of oil phase preparation, water phase preparation and finished product preparation. The emulsifiable paste has the advantages that through the synergetic action of all the components in the formula, the transcutaneous permeation function of the medicine components is improved, and the treatment effect is improved. The econazole nitrate emulsifiable paste is good in stability, and the phenomenon of layering or crystal separation does not happen. The granularity of the econazole nitrate emulsifiable paste prepared through the method is small, so that it is guaranteed that the preparation is finer, uniform in content and convenient to use, and coating and clearing of the preparation are easy.

The invention relates to a bidirectional oil emulsion agent used in immunity agent, which comprises animal injection white oil, Siban 80, tuwen 80, stabilizer 1.2 propanediol, activator PVP polyvinyl pyrrolidon. And the production comprises that in room temperature, first emulsifying animal injection white oil in an emulsifying pot, to obtain light liquid wax oil, to be added with the lipophilic SIban-80, to be mixed for 3-7min at 75-80r/min speed until foam disappears and transparent, then mixing and adding hydrophilic tuwen-80 to be mixed for 3-7min uniformly, adding 1.2 propanediol, mixing uniformly, adding polyvinyl pyrrolidon until foam disappears and transparent, laying for 25-35min. The invention has low viscidity, injection support, uniform size, and adsorption support, with high stability, long service life, and the color in white or milky white with some pink.

The invention discloses an ointment for treating multiple skin diseases. The ointment comprises the following components by weight: 2.5-4mg of dexamethasone, 2.5-3g of salicylic acid, 10mg of camphor,10mg of menthol, 1-2mg of propylene glycol, 1-2mg of octadecanol, 2-3mg of 3480 essence, 3-5g of purified water, 0.5-1g of glycerin, 3-5g of anhydrous sodium sulfite, 0.5-1g of white vaseline, 5-8mgof polysorbate 60, 1-2mg of monostearate glycerol and 0.5-1g of light liquid paraffin. The ointment disclosed by the invention has a main effect of killing various bacteria, has obvious curative effects on hypertrophic neurodermatitis, tinea manuum, tinea pedis, tinea corporis, tinea cruris, tinea unguium, stubborn dermatitis, sweat stains, paronychia, sore nodes, onychoclasis, crissum itching andthe like, and is low in cost and capable of decreasing economical burdens of patients.

The invention relates to the technical field of cosmetics, and particularly relates to skin care cream and a preparation method thereof. The skin care cream is prepared from the following raw materials: a phase A composed of light liquid paraffin, albolene, cetostearyl alcohol, dimethicone, polyoxyethylene (21) stearyl ether and polyoxyethylene (2) stearyl ether, a phase B composed of glycerin, carbomer, xanthan gum, phenoxyethanol, methyl parahydroxybenzoats and deionized water, a phase C composed of urea, a ligusticum wallichii extracting solution, a pearl extracting solution and rose hydrosol, and a phase D composed of tea polyphenol, sodium hyaluronate and triethanolamine. The invention further provides the preparation method of the skin care cream. The skin care cream is prepared fromnatural raw materials, has no harm to a human body, has no side effect and can be used for a long time. Under the synergistic effect of the raw materials, the skin care cream has the effects of preserving moisture for a long time, moistening and brightening skin, resisting ageing, reducing wrinkles, brightening skin color, repairing skin barrier, keeping the skin healthy and the like.

The invention discloses a dermatophytosis paste which is prepared from the following components in parts by weight: main materials: 20-40 parts of starch, 20-30 parts of saccharose, 10-20 parts of magnesium stearate, 10-20 parts of dextrin, 5-10 parts of lactose, 6-8 parts of hexadecanol and octadecanol, 6-7 parts of light liquid paraffin, 6-10 parts of Vaseline, 2-5 parts of ethyl hydroxybenzoate, 2-5 parts of propyl hydroxybenzoate, 4-6 parts of propylene glycol, 2-5 parts of anhydrous sodium sulfate and 10-20 parts of purified water; an auxiliary materials: 200-300 parts of skincare cream for children. The dermatophytosis paste has the beneficial effects that the dermatophytosis is hard to relapse, and the dermatophytosis paste is suitable for the old and young, free of irritation, mild to treat, simple to prepare, low in cost, quick to relieve itching, sterilize and repair skin tissues, and realizes the purpose of treating dermatophytosis.

The invention discloses tinidazole and spirolactone cream and a preparation method thereof, in order to solve problems of current tinidazole and spirolactone cream, such as poor stability and moderate sensitization. According to the formula, the cream comprises tinidazole, spirolactone, laurocapram, stearic acid, albolene, sorbitol anhydride monostearate, hexadecanol, light liquid paraffin, lauryl sodium sulfate, polysorbate-80, propylene glycol, sodium benzoate and purified water. The cream disclosed by the invention can inhibit formation of acne through such links as inhibiting bacteria, diminishing inflammation and reducing sebum secretion, and has an excellent curative effect on inflammatory skin lesion and non-inflammatory skin lesion caused by acne.

The invention provides a corydalis saxicola suppository for treating and/or preventing pelvic inflammation and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine suppository preparation. The corydalis saxicola suppository is prepared from the following raw materials in parts by weight: 8.0 to 8.5 parts of corydalis saxicola extract (based on dehydrocavidine), 990 to 1008 parts of 38# mixed fatty glyceride, 495 to 504 parts of 36# mixed fatty glyceride, 172 to 175 parts of Tween 80, 7.8 to 8.2 parts of borneol, 29 to 31 parts of wool fat, 29 to 31 parts of light liquid paraffin, and 2.4 to 2.6 parts of lauryl sodium sulfate. The corydalis saxicola suppository provided by the invention has the advantages of higher dissolution rate, stable dissolution performance, remarkable drug effect and good appearance and storage stability.

The invention relates to the field of sanitizers, and provides cream for treating infant eczema and a preparation method thereof. The cream is mainly prepared from 3-5 parts of stearic acid, 8-12 parts of polyethylene glycol-7-stearate, 10-14 parts of light liquid paraffin, 0.08-0.12 part of ethylparaben, 0.8-1.5 parts of vitamin E, 0.08-0.12 part of edetate disodium, 4-6 parts of 1,2-propylene glycol, 1.5-2.5 parts of sophocarpidine and 60-70 parts of deionized water. The prepared cream for treating the infant eczema has the advantages of being uniform, fine, proper in viscosity and easy to absorb and has the advantages of eliminating inflammation, achieving sterilizing and causing no stimulation to skin; the cream is particularly suitable for infant eczema, and the total effective rate is 91.1%.

The invention relates to an external medicinal formula mainly used for treating ichthyosis and xerodermia and a process thereof. The formula consists of the following components: urea, light liquid paraffin, alpha-hydroxypropionic acid, glyceryl monostearate, glycerol distearate, concentrated ammonium liquid, polyoxyl (40) stearate, cholesterol, glycerol, albolene, octadecanol and purified water. The invention aims to provide the formula of an external medicine mainly used for treating ichthyosis and xerodermia and the process thereof, wherein the external medicine is high in stability and long in service life, can overcome temperature and light decomposition, is safe and is not irritant.

The invention discloses a method for detecting the particle size distribution of progesterone in progesterone soft capsule content, which comprises the following steps: adding the progesterone soft capsule content into a saturated light liquid paraffin solution, ultrasonically dispersing uniformly, and testing the particle size through a laser particle size detection instrument to obtain the particle size distribution of the progesterone soft capsule content. Compared with an existing microscope image analysis method, the method has the advantages that the number of detected samples is larger, detection equipment is relatively cheap, and the precision and the applicability are better; the measuring instrument is wide in use, the experimental result is visual and efficient, the relative standard deviation of multiple measurement results of D10 and D90 particle sizes is not larger than 5%, the relative standard deviation of multiple measurement results of D50 particle sizes is not larger than 3%, and the requirement for repeatability of detection results of a laser particle analyzer in Chinese pharmacopoeia is met.

The invention discloses an ointment for treating diabetes foot ulcer and a preparation method thereof, belongs to the field of ointments, and relates to an ointment for treating diabetes foot ulcer. The medical ointment is prepared from the following materials in parts by weight: 95 to 105 parts of medical light liquid paraffin, 20 to 23 parts of natural medicinal beewax, 0.3 to 0.5 part of polyhexamethylene biguanide and 0.1 to 0.3 part of borneol. According to the ointment for treating diabetes foot ulcer and the preparation method of the ointment, the treatment effect is obvious, the medicine components are pure, the pain of a patient in the treatment process is small, the recovery rate is high, the preparation method is simple, wide market prospects are achieved, polyhexamethylene guanidine has the extremely high bacterium killing capacity, and the ointment is broad-spectrum and efficient, has a long-term antibacterial effect, is non-corrosive, does not contain harmful substances such as iodine, chlorine and aldehyde, and has good effects of clearing heat, purging fire, detoxifying, removing blood stasis, inducing diuresis to alleviate edema, detoxifying, promoting tissue regeneration and eliminating malignant sores by matching with the radix sophorae flavescentis extract, the cotex dictamni extract and the cortex phellodendri extract.

The invention relates to a rectification separation device for light liquid paraffin and a five-stage rectification production process. The separation device comprises a base and a treatment box, wherein the treatment box is annularly and movably arranged above the base, the inner side wall of the treatment box is fixedly connected with a heater, one side wall of the treatment box is communicatedwith a connecting pipe, the outer side wall of one end of the connecting pipe is in threaded connection with a blocking block, the other side wall of the treatment box is communicated with an L-shapedpipe, and the vertical section of the L-shaped pipe is slidably connected with a middle box. A circulation hole is formed in the vertical section, located on the inner side of the middle box, of theL-shaped pipe, the middle box communicates with a middle pipe, a switch valve is installed on the middle pipe, the end, away from the middle box, of the middle pipe is in threaded connection with a cylindrical connector, and the cylindrical connector is matched with a connecting pipe; and a bearing plate is fixedly connected to the upper portion of the base. The separation of light liquid paraffinin the liquid paraffin is achieved through five-section rectification.