Patent · US Expired

Factor A and B of antibiotic A-4696

US4115552A · kind A · utility

24Cited by
0References
2Claims
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Assignee

Inventors

Key dates

Filing dateSep 28, 1977
Grant dateSep 19, 1978
Priority date
Expiry dateSep 28, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07H15/26
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Antibiotic A-4696, produced by Actinoplanes sp., strain ATCC 23342, under submerged aerobic conditions in a liquid culture medium isolated from the fermentation broth by adsorption on activated carbon, eluted therefrom with a 1% sulfuric acid solution in acetone, and purified over sulfuric acid-washed alumina has antibacterial and growth promotant activity.

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