The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 22, 1977
Filed:
Sep. 05, 1974
Applicant:
Inventors:
Hamao Umezawa, Tokyo, JA;
Tomio Takeuchi, Tokyo, JA;
Hironobu Iinuma, Tokyo, JA;
Osamu Tanabe, Kowata Ugi, JA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260141 ; 195 29 ; 195 / ; 260143 ;
Abstract
There is disclosed a new antibiotic called calvatic acid having the structure p-carboxyphenyl-azoxycarbonitrile and processes for its production by fermentation and processes for its recovery and purification. This substance is effective in inhibiting the growth of Gram-positive bacteria and carcinoma.