Factor A and B of antibiotic A-4696
US4115552A · kind A · utility
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Key dates
| Filing date | Sep 28, 1977 |
| Grant date | Sep 19, 1978 |
| Priority date | — |
| Expiry date | Sep 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.