Hydrophilic adhesive and binder for medications

US5993849A · kind A · utility

Assignee

• Roehm GmbH Chemische Fabrik · DE

Inventors

• Manfred Assmus · Emmelshausen, DE
• Thomas Beckert · Darmstadt, DE
• Guenter Bergmann · Großkrotzenburg, DE
• Stephanie Kaehler · Bensheim, DE
• Hans-Ulrich Petereit · Darmstadt, DE

Key dates

• Filing date: Dec 22, 1997
• Grant date: Nov 30, 1999
• Expiry date: Dec 22, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2666/34
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to an adhesive and binder for dermal or transdermal therapy systems, that includes (a) 85-99.9 weight % of (meth)acrylate copolymer of structural and functional monomers, where the functional monomers have tertiary or quaternary amino groups, (b) 0.1-15 weight % of an organic dicarboxylic or tricarboxylic acid, and (c) 40-70 weight %, relative to the total of (a) and (b), of a plasticizer.