Invention Grant
- Patent Title: Pharmaceutical composition in the form of a hydrogel for transdermal administration of active ingredients
- Patent Title (中): 用于透皮给药活性成分的水凝胶形式的药物组合物
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Application No.: US10833273Application Date: 2004-04-28
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Publication No.: US07879357B2Publication Date: 2011-02-01
- Inventor: Patrick Franke
- Applicant: Patrick Franke
- Applicant Address: DE Berlin
- Assignee: Bayer Schering Pharma AG
- Current Assignee: Bayer Schering Pharma AG
- Current Assignee Address: DE Berlin
- Agency: Millen, White, Zelano, Branigan, P.C.
- Priority: EP03008856 20030428
- Main IPC: A61K9/14
- IPC: A61K9/14 ; A61K31/40 ; A61K31/265
Abstract:
The invention relates to a pharmaceutical composition in the form of a hydrogel that comprises a carboxylic acid diester, a C2-C4 alkyl alcohol, an active ingredient and a polymer matrix. The invention also relates to the use of a carboxylic acid diester as a transdermal permation enhancer for an active ingredient in a pharmaceutical composition in the form of a hydrogel, whereby the composition comprises a polymer matrix and a C2-C4 alkyl alcohol. The invention also relates to a sweat-resistant composition in the form of a hydrogel, which comprises an acrylic polymer in combination with a cellulose derivative.
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