METHODS FOR PREPARING TRANSDERMAL THERAPEUTIC SYSTEMS BASED ON POLY(LACTIC-CO-GLYCOLIC ACID) (VERSIONS) Russian patent published in 2014 - IPC A61K9/22 A61L15/44 A61K47/30 

Abstract RU 2508094 C1

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention refers to medicine. What is described is a method for preparing a transdermal therapeutic system based on poly(lactic-co-glycolic acid) involving dissolving poly lactide-co-glycolide and a pharmaceutically active substance in an organic solvent, mixing the prepared solution until dissolved completely, hot air drying until dry completely and having a constant weight to prepare a film, cutting the film into sections and packing, with the relation of lactide and glycolide varying within the range of 95:5 to 5:95 (versions).

EFFECT: preparing the transdermal therapeutic system based on poly(lactic-co-glycolic acid) that is biodegradable.

33 cl, 1 dwg, 3 tbl, 6 ex

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RU 2 508 094 C1

Authors

Khomenko Andrej Jur'Evich

Gajdukov Igor' Olegovich

Sedush Nikita Gennad'Evich

Bykova Irina Vital'Evna

Ul'Janov Andrej Mikhajlovich

Balaban'Jan Vadim Jur'Evich

Dates

2014-02-27Published

2012-08-03Filed