The production of active substance compositions in the form of a solid solution of the active substance in a polymer matrix, and active substance compositions produced by this process

US5741519A · kind A · utility

Assignee

• BASF SE

Inventors

• Joerg Rosenberg · Ellerstadt, DE
• Jorg Breitenbach · Mannheim, DE

Key dates

• Filing date: Nov 21, 1996
• Grant date: Apr 21, 1998
• Expiry date: Nov 21, 2016

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2/20
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A process for producing active substance compositions in the form of a solid solution of the active substance in a polymer matrix, which comprises melt extrusion of the active substance in nonionic form together with a polymer and a salt.