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. 13, 1979
Applicant:
Inventors:
Fumio Kai, Fujisawa, JP;
Takashi Tsuruoka, Kawasaki, JP;
Osamu Makabe, Tokyo, JP;
Shigeharu Inouye, Okohama, JP;
Hitoshi Ikeda, Kawasaki, JP;
Yuzo Kazuno, Hachiohji, JP;
Shokichi Nakajima, Yokohama, JP;
Shigeo Seki, Tokyo, JP;
Taro Niida, Yokohama, JP;
Assignee:
Meiji Seika Kaisha Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544 27 ; 544 28 ;
Abstract
Novel cephalosporin derivatives having formulae (V) and (III): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.8 and A are defined as in the specification.
Kai, Fumio. (1981). Cephalosporin derivatives (U.S. Patent No. 4258184). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4258184
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile