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:
Oct. 21, 1980
Filed:
Jan. 23, 1979
Applicant:
Inventors:
Nobuhiro Oi, Hoya, JP;
Bunya Aoki, Tama, JP;
Teizo Shinozaki, Matsudo, JP;
Kanji Moro, Kuki, JP;
Isao Matsunaga, Tokyo, JP;
Takao Noto, Machida, JP;
Toshiyuki Nebashi, Kawagoe, JP;
Yusuke Harada, Tokyo, JP;
Hisao Endo, Yokohama, JP;
Takao Kimura, Chiba, JP;
Hiroshi Okazaki, Sayama, JP;
Haruki Ogawa, Chofu, JP;
Minoru Shindo, Tokyo, JP;
Assignee:
Chugai Seiyaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602391 ; 424271 ;
Abstract
Penicillanic acid derivatives which have an excellent antibacterial action particularly against bacteria belonging to family Pseudomonas aeruginosa and are represented by the formula ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 and n are as defined above, and salts thereof; and a process for preparing the same are disclosed.