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:
Feb. 17, 1976
Filed:
Oct. 15, 1974
Masuo Murakami, Tokyo, JA;
Ichiro Isaka, Hoya, JA;
Khozi Nakano, Shiraoka, JA;
Isao Souzu, Urawa, JA;
Akio Koda, Hoya, JA;
Teruaki Ozasa, Urawa, JA;
Teruya Kashiwagi, Ageo, JA;
Yukiyasu Murakami, Urawa, JA;
Yamanouchi Pharmaceutical Co., Ltd., Tokyo, JA;
Abstract
The penicillin derivatives represented by the formula ##SPC1## Wherein ring A represents a 5- or 6-membered single or fused ring which may contain one or more nitrogen atoms, an oxygen atom, or a sulfur atom; R.sup.1, R.sup.2, and R.sup.3, which may be the same or different, each represents a hydrogen atom, a hydroxy group, a lower alkyl group, a nitro group, a halogen atom, or an oxo group; and B represents a p-hydroxyphenyl group or a 1,4-cyclohexadien -1-yl group, and their nontoxic pharmaceutically acceptable salts. The compounds are antibiotics having excellent antibacterial activity in particular with respect to the Pseudomonas genus.