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:
Aug. 25, 1987
Filed:
May. 15, 1986
Applicant:
Inventors:
Sigeru Torii, Okayama, JP;
Kenji Uneyama, Okayama, JP;
Hideo Tanaka, Okayama, JP;
Junzo Nokami, Okayama, JP;
Michio Sasaoka, Okayama, JP;
Norio Saito, Okayama, JP;
Takashi Shiroi, Okayama, JP;
Assignee:
Otsuka Kagaku Yakuhin Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07F / ;
U.S. Cl.
CPC ...
540358 ; 540354 ; 540357 ; 540359 ; 204 78 ;
Abstract
This invention provides azetidinone derivatives represented by the formula ##STR1## and processes for preparing the same. The azetidinone derivatives are used as the intermediates for producing cephalosporin compounds useful as antibiotic agents.