Details for Patent: 6,335,447
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Summary for Patent: 6,335,447
| Title: | Quinolonecarboxylic acid derivatives or salts thereof |
| Abstract: | Novel quinolonecarboxylic acid derivatives of general formula (1) or salts thereof which have potent antibacterial effects on gram-positive bacteria in particular Propionibacterium acnes (wherein R1 represents a hydrogen atom or a carboxyl-protective group; R2 represents an optionally substituted cycloalkyl group; R3 represents a hydrogen atom, a halogen atom, an optionally substituted alkyl, alkoxy or alkylthio group, an optionally protected hydroxyl or amino group, or a nitro group; R4 represents an optionally substituted alkyl or alkoxy group; and Z represents a pyridin-4-yl or pyridin-3-yl group which is optionally substituted with at least one group selected from a halogen atom, an optionally substituted alkyl, alkenyl, cycloalkyl, alkoxy, alkylthio or amino group and an optionally protected hydroxyl or amino group). |
| Inventor(s): | Kazuya Hayashi, Tokunori Kito, Junichi Mitsuyama, Tetsumi Yamakawa, Hiroshi Kuroda, Hiroyo Kawafuchi |
| Assignee: | Toyama Chemical Co Ltd |
| Application Number: | US09/647,763 |
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Patent Claim Types: see list of patent claims | Compound; |
Drugs Protected by US Patent 6,335,447
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Patented / Exclusive Use | Submissiondate |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| >Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Patented / Exclusive Use | >Submissiondate |
Foreign Priority and PCT Information for Patent: 6,335,447
| Foriegn Application Priority Data | ||
| Foreign Country | Foreign Patent Number | Foreign Patent Date |
| Japan | 10-110146 | Apr 6, 1998 |
| Japan | 10-340217 | Nov 30, 1998 |
| PCT Information | |||
| PCT Filed | April 06, 1999 | PCT Application Number: | PCT/JP99/01799 |
| PCT Publication Date: | October 14, 1999 | PCT Publication Number: | WO99/51588 |
International Family Members for US Patent 6,335,447
| Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
|---|---|---|---|---|---|
| Austria | 342897 | ⤷ Start Trial | |||
| Brazil | 9909456 | ⤷ Start Trial | |||
| Canada | 2327328 | ⤷ Start Trial | |||
| China | 1152029 | ⤷ Start Trial | |||
| China | 1299356 | ⤷ Start Trial | |||
| Germany | 69933660 | ⤷ Start Trial | |||
| Denmark | 1070713 | ⤷ Start Trial | |||
| >Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |
