( 203 of 203 ) |
United States Patent | 3,627,641 |
Mancy , et al. | December 14, 1971 |
The invention provides a new process for producing the antibiotic 11837 by fermentation using two newly discovered strains of the micro-organism Streptomyces venezuelae, of which they constitute a variety which has been designated var, fulvofurvescens.
Inventors: | Mancy; Denise (Val-de-Marne, FR), Ninet; Leon (Paris, FR), Preud'Homme; Jean (Paris, FR) |
Assignee: |
Rhone-Poulenc S.A.
(Paris,
FR)
|
Appl. No.: | 04/741,216 |
Filed: | June 28, 1968 |
Jun 30, 1967 [FR] | 112713 | |||
Current U.S. Class: | 435/128 ; 435/906 |
Current International Class: | C12P 1/06 (20060101); C12d 009/00 () |
Field of Search: | 195/80 |
2483892 | October 1949 | Ehrlich et al. |
2916483 | December 1959 | Dutcher et al. |
3089816 | May 1963 | Galumann et al. |
1,057,424 | Feb., 1967 | GB | |||