Mixture of antibiotics produced by new species of micromonospora

US4032631A · kind A · utility

Assignee

• PFIZER INC. · US

Inventors

• Walter D. Celmer · New London, US
• Walter P. Cullen · East Lyme, US
• Charles E. Moppett · Mystic, US
• John R. Oscarson · Pawcatuck, US
• John B. Routien · East Lyme, US
• Riichiro Shibakawa · Handa, JP
• Junsuke Tone · Chita, JP

Key dates

• Filing date: Dec 19, 1975
• Grant date: Jun 28, 1977
• Expiry date: Dec 19, 1995

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S435/886
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A new species of Micromonospora, designated Micromonospora saitamica sp. nov. Routien, when subjected to submerged aerobic fermentation, produces at least four antibiotics. One of these is previously reported rubradirin produced by Streptomyces achromogenes var. rubradiris NRRL 3061.