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:
Jun. 01, 1982
Filed:
Apr. 14, 1980
Applicant:
Inventors:
Yukio Hashimoto, Yamato, JP;
Kazuo Kimura, Hofu, JP;
Tadashi Hirata, Yokohama, JP;
Takehiro Ogasa, Machida, JP;
Shigeru Kobayashi, Machida, JP;
Ikuo Matsukuma, Yokkaichi, JP;
Assignee:
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ;
U.S. Cl.
CPC ...
435119 ; 546112 ;
Abstract
Optically active cephalosporin analogs are produced by an optically selective acylation reaction. The reaction is carried out in the presence of a microbial enzyme which catalyzes the selective optical acylation. The products thus obtained are useful as antibacterial agents.