Patent · US Expired

Antibiotics produced by species of Nocardia

US4224314A · kind A · utility

14Cited by

1References

3Claims

0Family size

Assignee

PFIZER INC. · US

Inventors

Walter D. Celmer · New London, US
Paul Watts · Gqeberha, ZA
Walter P. Cullen · East Lyme, US
Liang H. Huang · Mesa, US
Riichiro Shibakawa · Handa, JP
Junsuke Tone · Chita, JP

Key dates

Filing date	Mar 2, 1979
Grant date	Sep 23, 1980
Priority date	—
Expiry date	Mar 2, 1999

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12R2001/365
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

A species of Nocardia, designated Nocardia argentinensis Huang ATCC 31438, when subjected to aerobic submerged fermentation, produces an antibiotic complex containing as its major component antibiotic Compound 51,467. Methods for the recovery and purification of antibiotic Compound 51,467 and minor antibiotic components, Compounds 52,726 and 52,748, and some of their properties are outlined.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.