Desfesoterodine in the form of a tartaric acid salt

US9085507B2 · kind B2 · utility

Assignee

• ratiopharm GmbH · DE

Inventors

• Dirk Fischer · Garching an der Alz, DE
• Gertraud Koellner · Neu-Ulm, DE
• Gertrud Auer · Gomaringen, DE
• Katrin Rimkus · Iserlohn, DE
• Frank Muskulus · Gröbenzell, DE
• Sandra Brueck · Borgo San Lazzaro, DE
• Jana Paetz · Bonn, DE

Key dates

• Filing date: May 10, 2010
• Grant date: Jul 21, 2015
• Expiry date: Nov 14, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07B2200/07
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention concerns desfesoterodine in the form of a tartaric acid salt, in particular in the polymorphic “R form”, as well as a process for its production. In a second aspect, the invention concerns the desfesoterodine of the invention in a microencapsulated form.