Method for production of active ingredient-containing pellets

阅读量:

11

申请(专利)号:

US20040489853

申请日期:

2004-03-23

公开/公告号:

US2004247687A1

公开/公告日期:

2004-12-09

申请(专利权)人:

ROEHM GMBH & CO. KG

发明人:

HU PetereitG BergmannK Lehmann

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被引量:

7

摘要:

The invention relates to a method for the production of active ingredient-containing pellets by the steps of a) suspending or dissolving a pharmaceutical active ingredient in a dispersion, which contains a cationic copolymer, b) dropping said dispersion, containing the pharmaceutical active ingredient and the copolymer in an aqueous polymer solution, which contains an anionic copolymer, incompatible with the cationic copolymer, so that active ingredient-containing pellets precipitate and c) separating said active ingredient-containing pellets from the aqueous polymer solution and then drying said pellets. The invention also relates to said pellets and the use thereof in diagnostics or cosmetics, as well as pharmaceutical forms which contain said pellets.

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