Patent · US Expired

Acidic polycyclic ether antibiotic

US4625041A · kind A · utility

3Cited by

18References

3Claims

0Family size

Assignee

PFIZER INC. · US

Inventors

Walter D. Celmer · New London, US
Walter P. Cullen · East Lyme, US
Hiroshi Maeda · Kumamoto, JP
Junsuke Tone · Chita, JP

Key dates

Filing date	Aug 29, 1985
Grant date	Nov 25, 1986
Priority date	—
Expiry date	Aug 29, 2005

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12R2001/465
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

A new acidic polycyclic ether antibiotic, CP-63,517, having the formula: ##STR1## and cationic salts thereof produced by submerged aerobic propagation of Streptomyces endus subsp. aureus, ATCC-39574, a new strain of microorganism isolated from a soil sample in Japan, a process for producing this antibiotic and methods for its use to improve feed utilization, promote growth of cattle and swine and to control coccidiosis.

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