307results about How to "Short dissolution time" patented technology

A method of producing mechanically stable effervescent tablets with a high dissolving velocity and an according effervescent tablet are described. The effervescent tablets consist of at least one active substance or of a combination of active substances, of at least one binder, of possibly carriers as sweeteners, flavors, colorings, scents, softeners, bleaches, and of sherbets. In producing, propylglycol or glycerin is used as a binder for the effervescent tablets, and the active substances or the combination of active substances and possibly carriers are mixed with the binder. Afterwards, the sherbets are added to this mixture in an air-conditioned room. Then, the mixture including the sherbets is formed into tablets.

The invention relates to a glass-powder-free crystalline silicon solar battery aluminum paste and a preparation method thereof. The aluminum paste consists of the following raw materials by mass portions: 70-80 portions of aluminum powder, 18-28 portions of organic bond, 0.5-1.5 portions of adhesive force additive and 0.5-1.5 portions of adjuvant, wherein the adhesive force additive is zinc decanoate, zinc naphthenate, zinc citrate or zirconium citrate. After the aluminum paste is screen-printed and dried, the aluminum paste can be sintered within a wider temperature range, a back surface field can be in good ohmic contact with a silicon wafer, the adhesive force is good, the conversion efficiency of cells is high and the warping degree of the cells is reduced.

The invention provides a traditional Chinese medicine granular preparation with angelica extract and a preparation method thereof. Traditional Chinese medicine spheroidized particles are prepared by using a traditional Chinese medicine extract and a pharmaceutically acceptable carrier. The shapes of the traditional Chinese medicine spheroidized particles are spherical or similar to spheres, and the density of the traditional Chinese medicine spheroidized particles ranges from 0.6 g/ml to 1.3 g/ml. A single dose of the spheroidized particles is small, the medicine taking is convenient, and the granular preparation can be used as a semifinished product of capsules and can also be used for developing sustained and controlled release preparations of traditional Chinese medicine.

The invention discloses a preparation method of compound bamboo leave flavone dripping pill, belonging to the technical field of traditional Chinese medicine preparation. In the dripping pill preparation, Chinese herbal medicine bamboo leaves and mimosa are used as raw materials, a flavone extractive is obtained by extracting according to a certain method, and then the flavone extractive and pharmaceutical accessories used as matrix are processed by a certain method in proportion to prepare the final product. The dripping pill has the characteristics of high bioavailability, quick dissolution time, fast absorption by oral taking, high content of effective ingredients, accurate dosage, and convenient taking and carrying; the invention also has the functions of anti-lipid overoxidation, free radical removal, blood fat and cholesterolemia reduction, coronary blood flow increase, and myocardial ischemia melioration, and can be used for resisting oxidation, resisting aging, lowering blood fat, preventing and curing arteriosclerosis, cerebral ischemia, miocardial infarction and other diseases as well as the adjuvant therapy for cancer.

The present invention is related to a seamless capsule which easily dissolves in the oral cavity etc. The present invention provides a seamless capsule comprising a capsule content solution, and a capsule shell enclosing the capsule content solution, wherein the capsule shell comprises a gelatin having a bloom value of 50 to 190 and wherein the seamless capsule has a capsule shell-dissolution time of 60 seconds or less when the dissolution time is determined by a disintegration test using water as a test solution.

The invention discloses a novel amphoteric acrylamide polymer flocculant and a preparation method thereof. The novel amphoteric acrylamide polymer flocculant is prepared by ternary polymerization of acrylamide (AM), biquaternary ammonium type cationic functional monomer (AGCm, m = 1-4) comprising different alkyl tail chains (R = (CH2)x-CH3, x = 0-3) and glutamic acid type anionic monomers (AGlun,n = 1-4) with different side chain lengths (R'= (CH2)y, y = 0-3). The prepared novel copolymer of the double-end quaternary ammonium salt cationic functional monomer (AGCm, m = 1-4), the double-end carboxyl-containing anionic monomer (AGlun, n = 1-4) and acrylamide (AM) is short in dissolving time, novel in structure, energy-saving, environment-friendly, efficient and remarkable in flocculation effect. The flocculant has stronger adsorption capacity for negative suspended colloidal particles and organic substances in sewage, the flocculating effect is more remarkable than that of the traditional cationic polyacrylamide, the product economy is good, and the flocculant can be industrially produced.

The invention provides a traditional Chinese medicine granular preparation containing grass-leaved sweetflag extractive and a preparation method thereof. In the invention, traditional Chinese medicine spheroidized particles are prepared by traditional Chinese medicine extractive and carriers acceptable in pharmacy. The outline of the traditional Chinese medicine spheroidized particles takes sphere shape or round type shape. The density of the preparation is 0.6-1.3 g/ml. The spheroidized particles of the invention have low single dose, are convenient in use, can be served as intermediate products of capsules, and also can be used for developing traditional Chinese medicine controlled release preparation.

The invention relates to a traditional Chinese medicine pellet which is prepared from traditional Chinese medicine extractives or traditional Chinese medicine extracts and a base pellet according to the weight ratio of (1:5)-(5:1); and the traditional Chinese medicine pellet has the bulk density of 0.6-1.3g/ml, the specific surface area of 0.005-0.05m<2>/g and the particle size of 0.5-1.8mm. The invention also provides a preparation method of the pellet, so that the problems that traditional Chinese medicines or vegetable drugs easily absorb moisture and are unstable are solved; and the preparation method is simple, feasible and suitable for industrial production.

The invention relates to a preparation method of a Chinese herbal stomach-nourishing pill. The Chinese herbal stomach-nourishing pill is composed of rhizome atractylodis, dried tangerine peels, poria cocos, pinellia ternate, vinegar-made rhizoma cyperi, fried immature citron, dehulled amomum kravanh, ginger-made mangnolia officinalis, pogostemon cabin, liquorice, elecampane and fructus amomi. The preparation method includes steps of firstly drying various raw materials under ultraviolet rays, smashing them into powder with 80-100 meshes, and uniformly mixing; secondly, decocting ginger and jujube in water to obtain decoction liquid; thirdly, mixing and stirring the uniformly mixed powder and the decoction liquid uniformly to obtain particles with 18 meshes in diameter, and drying; fourthly, placing the dried particles into a ball die to be pressed into balls, placing the balls into a generic pill pot, and adding 5% of talcum powder and ferriferous oxide to generically obtain the Chinese herbal stomach-nourishing pill. The preparation method of radix gentianae pills capable of purging pathogenic fire of the liver is short in production cycle and high in production efficiency, pills prepared are easy to form, and microbial limit is ensured to meet the requirement.

The invention provides a traditional Chinese medicine granular preparation with notoginseng extract and a preparation method thereof. Traditional Chinese medicine spheroidized particles are prepared by using a traditional Chinese medicine extract and a pharmaceutically acceptable carrier. The shapes of the traditional Chinese medicine spheroidized particles are spherical or similar to spheres, and the density of the traditional Chinese medicine spheroidized particles ranges from 0.6 g/ml to 1.3 g/ml. A single dose of the spheroidized particles is small, the medicine taking is convenient, and the granular preparation can be used as a semifinished product of capsules and can also be used for developing sustained and controlled release preparations of traditional Chinese medicine.

The invention discloses a method for extracting andrographolide in andrographis tablets. The method comprises the following steps: taking a proper amount of andrographis tablets, crushing the tablets,putting the mixture into an enzymolysis tank, adding complex enzyme according to the mass ratio, carrying out vortex mixing, carrying out enzymolysis at 30-50 DEG C for 1-2 hours, filtering to obtainan enzymatic hydrolysate; and rapidly freezing the obtained enzymatic hydrolysate and then naturally unfreezing, so that starch in the extract is aged and precipitated; collecting a supernatant, subjecting the residual part to centrifuging, collecting the centrifugal liquid and combining the centrifugal liquid with the supernatant, carrying out spray drying, and carrying out CO2 supercritical extraction on the obtained powder, wherein the fluid extraction pressure is 20-30 MPa, the extraction temperature is 40-50 DEG C, the CO2 fluid flow is 750-850 L/h, the extraction time is 3-5 hours; collecting the andrographolide. The andrographolide can be efficiently extracted from the andrographis tablets, the operation is convenient, and the impurities in the extracting solution are not increased, expensive equipment is not needed, and the extraction cost of andrographolide is reduced.

The invention provides an aniracetam drop pill wherein polyethylene glycol is selected from a plurality of drop pill base materials, a melting method is employed for preparing solid dispersions, based on this, the admission of the surface active agent and the integration boosting agent can facilitate the dissolving of drop pills. The invention has the advantages of convenient swallowing, rapid absorption, high biological availability, easy dosage dividing, thus is suitable for senile dementia patients.

The invention discloses a pioglitazone hydrochloride solid dispersoid and a medicinal compounds thereof as well as preparation methods and applications thereof. The pioglitazone hydrochloride solid dispersoid contains pioglitazone hydrochloride and PEG6000, with the weight ratio of 1:1. 5-9. The preparation method of the pioglitazone hydrochloride solid dispersoid comprises the following steps: A1. heating the PEG6000 to 60-80 DEG C, so as to enable the PEG6000 to be in a liquid state; A2. under the condition of constantly stirring the solution, adding the pioglitazone hydrochloride with proportional amount, stirring and dispersing for 20-40 minutes; and A3. quickly pouring a mixture on a metal panel with fast heat conduction to form a thin solid layer, immediately placing the thin solid layer in an environment with temperature below -20 DEG C, quenching for 50-70 minutes, taking out, smashing and screening with a 100-mesh sieve. The invention has the beneficial effects that the solid dispersoid can greatly improve the dissolution rate of the pioglitazone hydrochloride in a dissolution medium, so as to increase bioavailability. A solid dispersing agent can be further made into the medicinal compounds in forms of tablets and capsules.

The invention provides a traditional Chinese medicine granular preparation with ginkgo biloba extract and a preparation method thereof. Traditional Chinese medicine spheroidized particles are prepared by using the ginkgo biloba extract and a pharmaceutically acceptable carrier. The shapes of the traditional Chinese medicine spheroidized particles are spherical or similar to spheres, and the density of the traditional Chinese medicine spheroidized particles ranges from 0.6 g/ml to 1.3 g/ml. A single dose of the spheroidized particles is small, the medicine taking is convenient, and the granular preparation can be used as a semifinished product of capsules and can also be used for developing sustained and controlled release preparations of traditional Chinese medicine.

The invention discloses manganese doped inorganic halogen perovskite quantum dots and a preparation method thereof. The preparation method comprises the following steps: lead salt and manganese chloride are dissolved and heated at 80-110 DEG C, and a halogen precursor is obtained; cesium salt is dissolved, and a cesium precursor is obtained; the cesium precursor is added to the halogen precursor,the mixture is heated at 80-110 DEG C, and the manganese doped inorganic halogen perovskite quantum dots are obtained. The method for preparing the manganese doped inorganic halogen perovskite quantumdots with high yield at lower temperature needs no inert gas protection, preparation cost is reduced, preparation efficiency is improved, quantum yield is as high as 62.41% which is 12.41% higher than the current highest quantum yield of 54% with a hot injection method, and the method can be applied to mass production.