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. 23, 1982
Filed:
Feb. 07, 1980
Applicant:
Inventors:
Tadashi Hirata, Yokohama, JP;
Yukio Hashimoto, Yamato, JP;
Takehiro Ogasa, Machida, JP;
Shigeru Kobayashi, Machida, JP;
Ikuo Matsukuma, Yokkaichi, JP;
Kazuo Kimura, Hofu, JP;
Assignee:
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ;
U.S. Cl.
CPC ...
435119 ; 435 51 ;
Abstract
Optically active cephalosporin analogs are produced by optically selective deacylation of an optically inactive acylated analog. The compounds are useful as intermediates in the preparation of optically active acylated antimicrobial agents.