C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
195/96, 260/1.33
C12P 1/06 (2006.01) A61K 35/00 (2006.01) C07G 11/00 (2006.01) C12N 9/99 (2006.01)
Patent
CA 1142468
ABSTRACT OF THE DISCLOSURE New antibiotics, SF-2050 substance and SF-2050B substance are produced by cultivating a microorganism Streptomyces sp. SF-2050 now deposited under FERM-P 4358 and under ATCC. 31450 in a liquid culture medium under aerobic conditions, and these antibiotics may be isolated from the fermentation broth and useful as an antibacterial agent. These antibiotics have an activity inhibitory to .beta.-lactamase.
321333
Ezaki Norio
Inouye Shigeharu
Itoh Jiro
Niwa Tomizo
Nojiri Chuhei
Macrae & Co.
Meiji Seika Kaisha Ltd.
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