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:
Jun. 24, 2003
Filed:
Jul. 29, 2002
Applicant:
Inventors:
Tomomi Koike, Tochigi, JP;
Yasuhiro Aizawa, Nagano, JP;
Assignee:
Kyorin Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/52 ; C02F 1/58 ; C07D / ;
U.S. Cl.
CPC ...
C02F 1/52 ; C02F 1/58 ; C07D / ;
Abstract
A method of treating an industrial waste liquor containing 1-cyclopropyl-7-(3-methyl-1-piperazinyl)-6-fluoro-8-methoxy-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid (gatifloxacin), comprising adding aqueous sulfuric acid to said liquor to form a sulfate of said gatifloxacin, and/or a hydrate of said sulfate; and the sulfate, and/or hydrate of said sulfate, made by said method.
Koike, Tomomi. (2003). Sulfate salt of quinolonecarboxylic acid derivatives and the use thereof (U.S. Patent No. 6582609). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6582609
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile