METHOD FOR PRODUCING DRUG MICROCAPSULES Russian patent published in 2016 - IPC A61K31/65 A61K31/4164 A61K31/4184 A61K31/345 A61K47/36 A61K9/50 A61J3/07 

Abstract RU 2582274 C1

FIELD: medicine.

SUBSTANCE: what is described is a method for producing drug microcapsules by dispersing a capsule agent in a polymer solution and polymer deposition on the dispersed particle surface. The capsule agent is presented by a drug specified in furacilin, tetracycline, dibazol and metronidazole. The polymer solution is 1% sodium alginate in water or 0.5% guar gum in water. The dispersing agent represents the non-ionic surfactant which is polyethylene glycol ether (PEGE 20). The solution of the above drug in dimethyl formamide is dispersed in the solution of the above polymer; the deposition is performed at the temperature of 3-5°C with excessive acetone or ethanol the amount of which is half as much as that of the polymer solution.

EFFECT: simplifying and accelerating the microencapsulation of poorly water-soluble drugs.

2 cl, 5 ex, 4 dwg

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RU 2 582 274 C1

Authors

Grekhneva Elena Vladimirovna

Kudrjavtseva Tatjana Nikolaevna

Dates

2016-04-20Published

2014-12-10Filed