US4429127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quinoline carboxylic acid derivative
Assignee: Kyorin Pharmaceutical Co Ltd
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Filing: 1982-02-17
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Granted: 1984-01-31
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Expires: 2002-02-17
Abstract
Abstract This invention relates to a new compound of value as antibacterial agent. More particularly, it relates to a quinoline carboxylic acid derivative and the acid addition salts thereof.
Inventors
- 👤 Tsutomu Irikura
- 👤 Hiroshi Koga
- 👤 Akira Ito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:53
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/04; C07D215/00; C07D215/02; C07D215/16; C07D215/48; C07D215/54; C07D215/56; A; A61; A61P; A61P31/00; A61P31/04; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A compound having the following formula ##STR7## and a pharmaceutically acceptable salt thereof.
Claim 2
Dependent Claim
13 words
A compound having the following formula ##STR7## and a pharmaceutically acceptable salt thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-30 | 1987-08-01 | 1988-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-30 | 1991-08-01 | 1992-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-30 | 1995-08-01 | 1996-01-31 | $7700.00 | Window Closed / Lapsed |