Drug – bio-affecting and body treating compositions – Fermentate of unknown chemical structure
Reexamination Certificate
1999-08-20
2001-12-11
Marx, Irene (Department: 1651)
Drug, bio-affecting and body treating compositions
Fermentate of unknown chemical structure
C435S135000, C424S116000, C560S130000
Reexamination Certificate
active
06328961
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a novel tyrosyl diester antibacterial antibiotic designated by the present inventors as tyrissamycin which may be obtained by cultivation of a strain of
Streptomyces lividans
. The antibiotic provided by the present invention has antibacterial activity against a variety of gram-positive bacteria.
2. Background Art
The present inventors are not aware of any tyrosyl diester compound in the literature having a similar structure to tyrissamycin.
REFERENCES:
patent: 5824485 (1998-10-01), Thompson et al.
Cutrone Jingfang
Foster Lyndon M.
Krampitz Kimberly
Mamber Stephen W.
McClure Grace
Bristol--Myers Squibb Company
Marx Irene
Morse David M.
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