82results about How to "Dissolution stability" patented technology

A polishing solution, comprising copper ions and chloride ions in Cu/Cl molar ratio of 10⁻¹ to 10³ and at pH 0.5 to 10, is suited for polishing a surface composed of a nonferrous metal material such as copper or copper alloy. Thicker metal film can be polished at high removal rate, so that distribution in film thickness becomes uniform.

The invention provides a dutasteride soft capsule. The dutasteride soft capsule contains dutasteride and an oleaginous base and is characterized in that the oleaginous base contains polyethylene glycol fatty acid glyceride and/or propylene glycol fatty acid ester, or employs medium-chain fatty acid glyceride. According to the invention, polyethylene glycol fatty acid glyceride and/or propylene glycol fatty acid ester is used as the oleaginous base for dutasteride for the first time; compared with preparations in the prior art, the soft capsule prepared in the invention has a good dissolution rate and high stability.

A stabilized sustained release oral solid dosage form which includes an effective amount of tramadol or a pharmaceutically acceptable salt thereof dispersed in a matrix of a hydrophobic material comprising a wax-like substance which was melted or softened during the preparation of the matrix, is cured at a temperature from about 35° C. to about 65° C. for a time period from about 4 to about 72 hours, such that the formulation, when subjected to in-vitro dissolution after exposure to accelerated storage conditions of at least one month at 40° C./75% RH, releases an amount of tramadol which does not vary at any given dissolution time point by more than about 20% of the total amount of tramadol released when compared to in-vitro dissolution conducted prior to subjecting the dosage form to the accelerated storage conditions.

The invention provides a Moxifloxacin capsule, which comprises Moxifloxacin or its salts and/or hydrate, at least a disintegrating agent and at least a lubricating agent, the shell of the capsule contains hydroxy propyl ethyl cellulose. The invention also discloses the process for preparing the capsule.

The instant invention pertains to an inkjet ink and, more particularly, to an inkjet ink comprising a soluble colorant and a vehicle, wherein the vehicle is comprised of an aqueous continuous phase, a “microemulsified” oil phase and a block copolymer additive.

The invention relates to a varenicline tablet composition, which belongs to the technical field of medicine. The technical scheme of the present invention is: the composition of unit dose contains: D50 is 0.5-1mg of varenicline tartrate of 50-76 microns, lactose 50-70mg, microcrystalline cellulose 12-26mg, calcium hydrogen phosphate 6-12mg, Sodium lauryl sulfate 0.8-1.6mg, magnesium stearate 0.8-1.5mg. The technical solution of the present invention obtains a varenicline tartrate tablet with uniform content and stable dissolution.

A medicine Xuesaitong in the form of effervescent tablet for treating thrombus is proportionally prepared from arasaponin, lactose, rebaudiose, tartaric acid, sodium dicarbonate, phlyethanediol, and magnesium stearate. Its preparing process is also disclosed.

A pharmaceutical soft gelatin capsule dosage form that includes (a) a shell that includes gelatin and a plasticizer; and (b) a fill that includes at least one active ingredient, polyethylene glycol, polyacrylic acid, a neutralizing agent, and water. The neutralizing agent is a primary amine or a secondary amine, and is present in an amount necessary to provide a pharmaceutical soft gelatin capsule dosage form having stable dissolution after storage.

The invention provides an itraconazole pellet. The itraconazole pellet is prepared by coating an itraconazole drug-containing layer and an isolated protective layer on the surface of the pellet core of the pellet in sequence, wherein the itraconazole drug-containing layer is prepared from itraconazole, a solid dispersion, a binder, an anti-sticking agent and an organic solvent; the isolated protective layer is prepared from a lubricant and a dispersion solvent. The invention further provides a preparation method of the itraconazole pellet and a preparation of a tablet or a capsule prepared by the itraconazole pellet. The itraconazole pellet disclosed by the invention can realize rapid dissolution, has dissolution rate of dissolving over 85% within 45 minutes, is remarkably superior to the existing itraconazole pellet, and can realize higher bioavailability, so that ideal medical effect is achieved.

The invention provides pharmaceutical composition for edoxaban tablets. The composition is prepared from 10-50 parts of p-toluenesulfonic acid edoxaban monohydrate, 15-35 parts of a disintegrant, 2-10parts of a 5% polyvinylpyrrolidone 95% ethanol solution, 20-45 parts of filler and 0.5-2 parts of a lubricant, and has the advantages of high disintegration speed, high bioavailability, good stability and the like.

The invention relates to a technology of a soft capsule containing ciclosporin, in particular to a capsule shell composition suitably prepared into a soft capsule containing the ciclosporin as well as a preparation method thereof and the soft capsule containing the ciclosporin prepared thereby. Gelatin, glycerin, sorbierite, propanediol, water, hydroxyphenyl ethylester and talcum powder are addedin a glue digester and heated to be completely dissolved to obtain a capsule shell; and the capsule shell and a content solution are wrapped by a soft capsule machine to obtain the soft capsule. According to the capsule shell composition for the soft capsule containing the ciclosporin, which is disclosed by the invention, the contents of ethanol and the propanediol in the content of the soft capsule are ensured not to be greatly reduced in the storage process, the medicament dissolving of the ciclosporin can be ensured and the bioavailability of the ciclosporin is improved. Various raw materials provided for the capsule composition are common varieties and have low price, thus the capsule composition is suitable for large-scale industrial production.

The invention relates to a production method for preparing a rumen bypass series product, and belongs to the technical field of feed and feed additives. The rumen bypass series product comprises aminoacid, choline chloride, glucose, urea or ammonium chloride. The production method comprises the following steps of sieving the raw materials, adding auxiliary materials, performing granulating, rounding and drying, heating and melting palm oil, adding a surfactant, spraying the surfactant into the dried materials in a fluidized bed, performing coating, and after coating, performing sieving to obtain the rumen bypass series product. Compared with the prior art, the method has the advantages that the production cost is relatively low, and the prepared rumen bypass series product is regular in shape, relatively narrow in particle size distribution, easy to add and premix and relatively high in product percent of pass.

The invention relates to an industrial production method of a titanium-containing soluble solid solution anode, and belongs to the technical field of titanium smelting. The industrial production method comprises a melting and stirring step, a casting forming step, a cooling step and a shaping step. According to the industrial production method, titanium-containing soluble solid solution are adopted as raw materials, melting into the liquid state under the conditions that the temperature is higher than the melting point of the raw materials and under the protection of the inert atmosphere, andare fully stirring, then pouring the melt into a mold preheated to be 1000 DEG C or higher for casting forming, cooling under the protection of the inert atmosphere at a certain cooling speed, after the cooled anode is subjected to shaping treatment, and the cooled anode can be directly used for molten salt electrolysis to produce the metal titanium. The industrial production method of the titanium-containing soluble solid solution anode is simple in process, high in efficiency and low in cost, and the produced anode has the advantages of being high in density, good in conductivity, free of defects in the interior and the like. By adopting the anode for industrial production to carry out molten salt electrolysis to prepare the metal titanium, the anode can be stably dissolved for a long time, the anode without slag falling during the electrolysis process, and the electrochemical dissolution efficiency of the anode is 90% or higher.

The invention discloses a loxoprofen sodium tablet and a preparation process thereof, and belongs to the technical field of pharmaceutical preparations. The loxoprofen sodium tablet is prepared from the following components: loxoprofen sodium, microcrystalline cellulose, sophorolipid, konjac glucomannan, crospovidone and magnesium stearate. The preparation process includes the steps that loxoprofen sodium, microcrystalline cellulose, sophorolipid, konjac glucomannan and crospovidone in the formula amount are evenly mixed to obtain a mixture 1, and a hot melt extruder is used to prepare the mixture 1 into wet granules; after the prepared wet granules are dried, magnesium stearate of the formula amount is added to obtain a mixture 2; the mixture 2 is tableted to obtain plain tablets; and theplain tablets are coated to obtain the loxoprofen sodium tablets. The dissolution rate of the loxoprofen sodium tablet is good in consistency with an original research drug, meanwhile, the property is stable, the dissolution rate remains stable after being placed for a certain period of time, and meanwhile, the hot melt extruder is used for granulation, so that the operation is simple.

The invention provides amoxicillin tablets and a preparation method thereof. According to the method, hydroxypropyl-beta-cyclodextrin and amoxicillin form an inclusion compound, and then, the inclusion compound is granulated, dried and tableted. The prepared amoxicillin tablets have the advantages of good stability, high dissolubility and low related substance content, an auxiliary material formula is optimized, the mixed powder fluidity is good, and sticking is avoided in the tableting process; by means of the preparation method, the technological process is effectively shortened, the production cycle and exposure time of the medicine in the air are shortened, the stability of the medicine is guaranteed, and the product quality is further improved.

The invention relates to an olaparib dissolution enhancing composition, a preparation method and application thereof, as well as a medicine containing the olaparib dissolution enhancing composition. The olaparib dissolution enhancing composition is prepared from the following components: olaparib, copovidone and a dissolution accelerator, wherein based on 100 parts by weight of olaparib, the copovidone is more than 100 parts by weight and less than 200 parts by weight, and the dissolution accelerator is 20-150 parts by weight. The olaparib dissolution enhancing composition and the medicine prepared from the olaparib dissolution enhancing composition have controllable stability, can be used for improving oral absorption of active ingredients, and can improve the medication convenience of patients since auxiliary dosage is reduced so as to facilitate industrial production.

The invention relates to a pharmaceutical composition containing a dexzopiclone tablet, belonging to the technical field of medicine. Commercially available dexzopiclone tablets are of three specifications, i.e., 1 mg, 2 mg and 3 mg. Due to small specifications of the dexzopiclone tablets, content uniformity of prepared tablets can hardly achieve standards; and since the dexzopiclone is hardly soluble in water, reproducibility of the dissolution data of tablets of different batches is poor. The technical scheme of the invention is as follows: the dexzopiclone tablet is characterized by containing, by mass, 1% of dexzopiclone with D90 of below 30 mu m, 0 to 77.5% of dicalcium phosphate dihydrate, 20 to 97.5% of microcrystalline cellulose, 1% of croscarmellose sodium and 0.5% of magnesium stearate. The technical scheme of the invention overcomes the above-mentioned problems in the prior art.