Stabilized urease composition

US4188465A · kind A · utility

Assignee

• Boehringer Mannheim GmbH · DE

Inventors

• Walter Schneider · Schriesheim, DE
• Albert Roder · Seeshaupt, DE
• Hans Mollering · Tutzing, DE
• Ingeborg Gutmann · Penzberg, DE

Key dates

• Filing date: Mar 25, 1977
• Grant date: Feb 12, 1980
• Expiry date: Mar 25, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C12N9/96
• WIPO field: Biotechnology
• WIPO sector: Chemistry

Abstract

Stabilized urease compositions are provided comprising urease and, as a stabilizing agent, a mixture of glutathione, ethylenediamine-tetraacetic acid, and citrate, preferably in a weight ratio of 1:0.5-5:0.5-3:0.5-3.