Use of block copolymers based on vinyllactams and vinyl acetate as solubilizers

US8211469B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Yvonne Dieckmann · Nümbrecht, DE
• Murat Mertoglu · Ludwigshafen, DE
• Rainer Dobrawa · Stuttgart, DE
• Szilard Csihony · Ludwigshafen, DE
• Cedric Dieleman · Scheibenhard, FR
• Torsten Knieriem · Mannheim, DE
• Sebastian Koltzenburg · Schifferstadt, DE
• Holger Türk · Mannheim, DE
• Ulrike Troppmann · Schifferstadt, DE
• Christian Jung · Hallstadt, DE

Key dates

• Filing date: Oct 31, 2007
• Grant date: Jul 3, 2012
• Expiry date: Aug 25, 2028

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/52
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Use of polyvinyllactam-polyvinyl acetate block copolymers as solubilizers for active ingredients that are sparingly soluble in water.