Process for the preparation of a medicament comprising vardenafil hydrochloride trihydrate

US8772292B2 · kind B2 · utility

Assignee

• ratiopharm GmbH · DE

Inventors

• Yogesh S. Deshpande · Aurangabad, IN
• Sandra Brueck · Borgo San Lazzaro, DE
• Julia Schulze Nahrup · Schwanau, DE
• Birgit Schnitter · Ulm, DE
• Ganesh Vinayak Gat · Pune, IN
• Javed Hussain · Jamkhed, IN

Key dates

• Filing date: Jun 12, 2008
• Grant date: Jul 8, 2014
• Expiry date: Feb 22, 2030

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P15/10
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for the preparation of a medicament containing vardenafil hydrochloride trihydrate in solid form, in which vardenafil hydrochloride trihydrate is processed with suitable pharmaceutical auxiliaries at a temperature of from approx. 20° C. to approx. 45° C.