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231 results about "Edetate disodium" patented technology

Esomeprazole sodium lyophilized powder injection and preparation method thereof

The invention provides an esomeprazole sodium lyophilized powder injection for injection and a preparation method thereof. The weight ratio of esomeprazole sodium to edetate disodium and/or sodium calcium edentate is 1:(0.01-0.1), and the pH value of the esomeprazole sodium lyophilized powder injection is between 9.5 and 11.5. The preparation method comprises the following steps of: 1) weighing and dissolving edetate disodium and/or sodium calcium edentate in the prescription amount in injection water, stirring to dissolve, and regulating the pH value of sodium hydroxide liquid to be between 10.5 and 12.5; and 2) weighing esomeprazole sodium in the prescription amount, adding into liquid prepared in the step 1), stirring at room temperature to completely dissolve the liquid, and filling the injection water till full dose is reached; 3) performing ultrafiltration on the liquid medicament prepared in the step 2) to remove pyrogen; 4) sterilizing and filtering the liquid medicament which is subjected to ultrafiltration; and 5) filling and lyophilizing. The product prepared by the preparation method of esomeprazole sodium lyophilized powder injection has low related substances, and the substance does not remarkably increase in the storing process, and the content is not remarkably reduced.
Owner:SHENZHEN NEPTUNUS PHARM CO LTD

Preparation method for adapalene gel

InactiveCN105411999ASolve the problem of granularityOrganic active ingredientsAerosol deliveryWater bathsDrugs solution
The invention discloses a preparation method for adapalene gel. The preparation method comprises the steps that carbomer 934 is soaked in purified water for 24h and screened to obtain a carbomer solution; adapalene, propanediol and sodium hydroxide are taken, dissolved in purified water and added into a stainless steel barrel for a water bath to obtain a main drug solution; methylparaben, poloxamer188 and propanediol are taken, poured into a beaker, stirred and dissolved in a water bath to be clarified; purified water and edetate disodium are taken and placed in a main pot to be stirred at a low speed for dissolution, the solution in the beaker is poured into the main pot, sodium hydroxide is added, and the mixture is stirred to be dissolved; the carbomer solution is poured into the main pot and stirred slowly into uniform gel; the main drug solution is poured into the gel, the stainless steel barrel is rinsed with propanediol before the gel is poured into the main pot, and the mixture is stirred on a vacuum condition to obtain a material; the pH of the material is regulated to 4.75-5.25, quick stirring is started, and vacuum degassing, slow stirring and discharge are performed in sequence. The granularity of the adapalene gel prepared through the method reaches 50 micrometers, meeting the standard requirement for preparations.
Owner:FRONT PHARM PLC

Ointment for treating gynaopathy and dermatoses and preparation method thereof

The invention discloses an ointment for treating gynaopathy and dermatoses and a preparation method thereof. The externally-applied ointment is prepared from halcinonide preparation, menthol crystal and camphor which are utilized as raw materials according to a certain preparation technology, and is prepared from the following raw materials in parts by weight: 6 to 6.5 parts of halcinonide preparation, 15 to 20 parts of menthol crystal, 15 to 20 parts of camphor, 3 to 3.5 parts of edetate disodium, 20 to 40 parts of polyethylene glycol mono stearate, 0 to 3 parts of essence, 0 to 2 parts of carbomer, 0 to 2 parts of sodium bicarbonate and 15 to 25 parts of pure water. The externally-applied ointment is low in cost, has the effects of clearing away heat, eliminating dampness, dispelling the wind, killing worms, diminishing inflammation and relieving itching, has better treatment effects, has the characteristics of being easy to prepare, lower in cost and obvious in treatment effect, and can be used for treating the gynaopathy, such as vaginitis, cervicitis and cervical erosion, caused by various germs, and treating the dermatoses, such as tinea corporis, tinea cruris, tinea of feetand hands and various dermatitis, caused by various fungus infection. The externally-applied ointment has exact treatment effects, takes effect rapidly, is low in cost and convenient to use, and has no toxic and side effects, thus being worthy of popularization and application.
Owner:李怀珠

Preparator of naloxone hydrochloride injection and preparation method thereof

The invention discloses a preparator of a naloxone hydrochloride injection and a preparation method thereof. The preparation method comprises the steps that a certain amount of water for injection, sodium chloride and naloxone hydrochloride are added into an upper tank body of the preparator, nitrogen is introduced, mixing and stirring are performed to obtain a mixed solution, then edetate disodium is added to regulate a pH value, and the mixed solution is filtered by a first filter membrane in the middle of the preparator and delivered to a lower tank body; a certain amount of water for injection is added into the lower tank body, stirring is performed under the situation that nitrogen is introduced, and a hydrochloric acid solution is used for regulating the pH value; finally, visible foreign matter checking is performed after filtration of a second filter membrane at the lower portion of the lower tank body, nitrogen charging is performed for filling encapsulation after qualification, and sterilization is performed to obtain the sterilization. No auxiliary material is added, and the purity and use safety of the prepared injection are ensured. The preparation method is simple and easy to operate, and the preparation cost is effectively reduced. In addition, the invention provides the preparator of the naloxone hydrochloride injection. Device replacement in the preparation process of the naloxone hydrochloride injection is avoided, the drug quality is improved, and drug safety is ensured.
Owner:北京市永康药业有限公司

Clindamycin phosphate injection and preparation method thereof

The invention discloses a preparation method of a clindamycin phosphate injection. The clindamycin phosphate injection is prepared from components of raw materials as follows: clindamycin phosphate, sodium hydroxide, benzyl alcohol, edetate disodium and water for injection. The preparation method comprises steps as follows: (1) a certain amount of edetate disodium is dissolved in the water for injection under the condition that the air cleanliness is class 100 in a whole room and is stirred to be dissolved; (2) a sodium hydroxide solution, clindamycin phosphate and benzyl alcohol are added andstirred uniformly; (3) after activated carbon is added, the mixture is stirred, cooled and filtered, and then a substance obtained after filtering is conveyed to a dilution preparation tank; and (4)the water for injection is added to a full amount, the pH value is adjusted, the content of a main drug is tested, and refined filtration, filling and sealing are performed. The invention also discloses the clindamycin phosphate injection prepared with the method. By means of the method, high-temperature sterilization is not required finally, the defect that sterilization is performed with high-temperature sterilization adopted by a conventional method is overcome, and the stability of the clindamycin phosphate injection is effectively controlled.
Owner:SHANDONG WEIZHI BAIKE PHARM CO LTD
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