Polymorphs

US9266888B2 · kind B2 · utility

Assignee

• Boehringer Ingelheim International GmbH · DE

Inventors

• Peter Sieger · Mittelbiberach, DE
• Dirk Kemmer · Windesheim, DE
• Peter KOHLBAUER · Biberach an der Riß, DE
• Thomas Nicola · Ingelheim am Rhein, DE
• Martin Renz · Bebenhaus, DE

Key dates

• Filing date: Aug 19, 2014
• Grant date: Feb 23, 2016
• Expiry date: Sep 9, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07B2200/13
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to polymorphous crystal modifications of a DPP-IV inhibitor, the preparation thereof and the use thereof for preparing a medicament.