DrugPatentWatch

Competitive intelligence on small-molecule drugs and the 80,000 patents covering them

Simple flat-rate subscription plans

Ultimate Plan

$495/ month or  $2,495/ year

Patent: 5,447,926

Summary for Patent: 5,447,926

Title: Quinolone carboxylic acid derivatives
Abstract:A quinolone carboxylic acid derivative having the following formula (1), ##STR1## wherein R.sup.1 is a hydrogen atom, an alkyl group, an aralkyl group, an ester residual group which can be hydrolyzed in living bodies, R.sup.2 is a hydrogen atom or an amino group which may be substituted by one or two lower alkyl groups, X is a hydrogen atom or a halogen atom, Y is CH.sub.2, O, S, SO, SO.sub.2, or N--R.sup.3, wherein R.sup.3 is a hydrogen atom or a lower alkyl group, and Z is an oxygen atom or two hydrogen atoms; or a salt thereof; and an antimicrobial agent comprising the same. The compound exhibits a superior antimicrobial activity, especially against gram positive microorganisms, and is thus useful for the treatments and prevention of various infectious diseases in clinics.
Inventor(s): Konno; Fujiko (Tomisato, JP), Shibata; Akihiro (Yachiyo, JP), Matsuda; Hideaki (Abiko, JP), Asaoka; Takemitsu (Narita, JP), Kawahara; Ryuichi (Ichikawa, JP), Taido; Naokata (Funabashi, JP), Kuraishi; Tasdayuki (Chiba, JP), Takeda; Sunao (Ichihara, JP)
Assignee: SS Pharmaceutical Co., Ltd. (Tokyo, JP)
Application Number:08/305,977
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;
Patent PDF download available with subscription

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Bausch And Lomb
BESIVANCE
besifloxacin hydrochloride
SUSPENSION/DROPS;OPHTHALMIC022308May 28, 2009RXYes5,447,926<disabled>YYMETHOD OF TREATING OCULAR BACTERIAL INFECTIONS
This preview shows a limited data set
Complete access is available with a Subscription
first patents previous patents next patents last patents

Export unavailable in trial.
Subscribe for complete access.

Foreign Priority and PCT Information for Patent: 5,447,926

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan2-191339Jul 19, 1990
Japan3-079774Apr 12, 1991

International Patent Family for Patent: 5,447,926

Country Document Number Publication Date
WIPO (PCT)9201676Feb 06, 1992
United States5385900Jan 31, 1995
Japan5004968Jan 14, 1993
Japan2613139May 21, 1997
This preview shows a limited data set
Complete access is available with a Subscription
first patents previous patents next patents last patents

Export unavailable in trial.
Subscribe for complete access.


« Back to Dashboard

DrugPatentWatch Archives

You are viewing the current data set
Select a link below to view the archives:

 2000  2001  2002  2003  2004  2005  2006  2007  2008  2009 
 2010  2011  2012  2013 

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors.

Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided information. There is no warranty that the information contained herein is error free. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

Connect with Social Media:

Follow DrugPatentWatch on Twitter Connect with DrugPatentWatch on Linkedin Drug Patents on LinkedIn

Copyright © 2002-2014 thinkBiotech LLC. ISSN: 2162-2639

Other thinkBiotech sites: BiotechUBiotechBlogJournal of Commercial Biotechnology

`abc