Polymorphic forms of esomeprazole sodium

US8063074B2 · kind B2 · utility

Assignee

• DR. REDDY'S LABORATORIES LIMITED · IN

Inventors

• Vijayabhaskar Bolugoddu · Hyderabad, IN
• Amarnath Reddy Lekkala · Hyderabad, IN
• Saurabh CHITRE · Mumbai, IN
• Srinivas Reddy Mamilla · Secunderabad, IN
• Venkata Annapurna Sasikala Cheemalapati · Visakhapatnam, IN
• Siva Prasad Reddy Seerapu · Visakhapatnam, IN

Key dates

• Filing date: Apr 30, 2007
• Grant date: Nov 22, 2011
• Expiry date: Jun 8, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D401/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Polymorphic crystalline Forms J, K, L, M, and N of esomeprazole sodium.