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:
May. 25, 1982
Filed:
Dec. 19, 1980
Applicant:
Inventors:
Seiichiro Nomoto, Tokyo, JP;
Hironori Ikuta, Tokyo, JP;
Yoshimasa Machida, Wako, JP;
Shigeto Negi, Kodaira, JP;
Isao Sugiyama, Tokyo, JP;
Hiroshi Yamauchi, Gifu, JP;
Takeo Kanai, Honjo, JP;
Isao Saito, Sakura, JP;
Assignee:
Eisai Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549402 ; 544 27 ;
Abstract
N-(Substituted chromone-3-carbonyl)phenylglycine derivatives. These derivatives are useful intermediates for cephem compounds which are excellent as antibacterial agents.