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:
Mar. 24, 1981
Filed:
Mar. 08, 1979
Applicant:
Inventors:
Assignee:
Asahi Kasei Kogyo Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
548136 ; 2602071 ; 424246 ; 424270 ; 544 27 ; 546170 ; 546276 ; 548105 ; 548110 ; 548112 ;
Abstract
An 1,3,4-thiadiazole-5-thiol ester of the formula, ##STR1## wherein R is a hydrogen atom or a methyl group, a process for their preparation and a process for preparing a cephalosporin compound of the formula, ##STR2## wherein R is the same as defined above, using the above described 1,3,4-thiadiazole-5-thiol ester.