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:
Mar. 05, 1996
Filed:
Feb. 08, 1994
Applicant:
Inventors:
Sung-June Yoon, Seoul, KR;
Young-Ho Chung, Kyunggi-do, KR;
Chi-Woo Lee, Anyang, KR;
Yoon-Seok Oh, Kyungki-do, KR;
Dong-Rack Choi, Kyungki, KR;
Nam-Doo Kim, Kyungki, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544362 ; 544363 ; 546123 ; 546156 ; 546275 ; 546312 ;
Abstract
The present invention relates to the novel quinolone carboxylic acid derivatives of the following formula (I) and their pharmaceutically acceptable salts and their hydrates. ##STR1## wherein X is a hydrocarbon, fluorocarbon or nitrogen atom,