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. 08, 1983
Filed:
Apr. 07, 1980
Applicant:
Inventors:
Teruaki Ozasa, Urawa, JP;
Teruya Kashiwagi, Ageo, JP;
Assignee:
Yamanouchi Pharmaceutical Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544 26 ; 544 21 ; 544 27 ;
Abstract
An improved process for the displacement of the acetoxy group of a 7-aminocephalosporanic acid by a heterocyclic thiol in the presence of sulfuric acid.
Ozasa, Teruaki. (1983). Heterocyclic thiomethylation of the 3-position of 7-aminocephalosporanic (U.S. Patent No. 4376200). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4376200
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile