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DrugPatentWatch concentrates deep knowledge on more than 6,400 small-molecule drugs and more than 2,300 generic ingredients from more than 1,700 branded and generic pharmaceutical companies, and more than 4,300 active and expired US patents and 74,000 international patents spanning 93 countries and regional patent offices. |
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; |
Glossary
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Bausch And Lomb | BESIVANCE | besifloxacin hydrochloride | SUSPENSION/DROPS; OPHTHALMIC | 022308 | May 28, 2009 | RX | Yes | 5,447,926 | Y | Y | <disabled> | METHOD OF TREATING OCULAR BACTERIAL INFECTIONS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Foreign Priority and PCT Information for Patent: 5,447,926
International Patent Family for Patent: 5,447,926
| Country | Document Number | Publication Date | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| WIPO (PCT) | 9201676 | Feb 06, 1992 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| United States | 5385900 | Jan 31, 1995 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Japan | 2613139 | May 21, 1997 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Japan | 2805460 | Sep 30, 1998 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| The preview shows a limited data set. Complete access is available with a Subscription | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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