Invention Grant
- Patent Title: Cationic pharmaceutically active ingredient containing composition, and methods for manufacturing and using
- Patent Title (中): 含阳离子药物活性成分的组合物,以及制造和使用方法
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Application No.: US12701367Application Date: 2010-02-05
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Publication No.: US08735422B2Publication Date: 2014-05-27
- Inventor: James A. Roszell , Jie Zhang
- Applicant: James A. Roszell , Jie Zhang
- Applicant Address: US NV Las Vegas
- Assignee: Skinvisible Pharmaceuticals, Inc.
- Current Assignee: Skinvisible Pharmaceuticals, Inc.
- Current Assignee Address: US NV Las Vegas
- Agency: Merchant & Gould, P.C.
- Main IPC: A61K31/44
- IPC: A61K31/44

Abstract:
A cationic pharmaceutically active ingredient containing composition is provided. The composition includes a cationic pharmaceutically active ingredient, a hydrophobic polymer/hydrophilic polymer adduct comprising a poly(vinylpyrrolidone/alkylene) polymer and a polymer comprising carboxylic acid groups, hydroxyl groups, or a mixture of carboxylic acid groups and hydroxyl groups, a compatibilizing amount of a long chain organic acid having a carbon chain of at least 8 carbon atoms, and at least about 50 wt. % water.
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