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:
Oct. 02, 1980
Applicant:
Inventors:
Osamu Makabe, Tokyo, JP;
Yasushi Murai, Yokosuka, JP;
Tuneo Okonogi, Yokohama, JP;
Masahiro Onodera, Yokohama, JP;
Takashi Yoshida, Tokyo, JP;
Shunzo Fukatsu, Tokyo, JP;
Assignee:
Meiji Seika Kaisha, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602391 ; 424264 ; 546288 ; 546315 ; 546318 ; 568315 ; 568337 ; 568649 ;
Abstract
Penicillin compounds and methods for the production thereof are described, said penicillin compounds being represented by the formula (I) ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 each represents hydrogen, a lower alkyl group, a halogen atom, a lower alkoxy group, a hydroxyl group, or a substituted or unsubstituted phenylalkoxy group except that R.sub.1, R.sub.2, and R.sub.3 cannot all represent hydrogen simultaneously; R.sub.4 represents hydrogen or a lower alkyl group; and R.sub.5 represents hydrogen or a hydroxyl group.