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. 03, 1989
Filed:
Nov. 27, 1987
Applicant:
Inventors:
Isao Hayakawa, Tokyo, JP;
Shohgo Atarashi, Tokyo, JP;
Shuichi Yokohama, Tokyo, JP;
Masazumi Imamura, Tokyo, JP;
Assignee:
Daiichi Seiyaku Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544363 ; 546156 ;
Abstract
Novel 4-oxoguinoline-3-carboxylic acid derivatives having the formula ##STR1## wherein X.sup.1 represents a halogen or hydrogen atom, X.sup.2 represents a halogen or hydrogen atom, X.sup.3 represents a halogen atom, and R.sup.1, R.sup.2 and R.sup.3 each represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, and physiologically acceptable salts thereof, are disclosed. These compounds have excellent antibacterial activity against gram-positive and gram-negative bacteria and beneficial pharmacokinetic properties.