US4524148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antimicrobial 8,9-dihalobenzo[ij]quinolizine carboxylic acids
Assignee: Riker Laboratories Inc
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Filing: 1981-11-06
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Granted: 1985-06-18
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Expires: 2001-11-06
Abstract
Abstract The compounds 8-bromo-6,7-dihydro-9-fluoro-5-methyl-1-oxo-1H,5H-benzo[ij]quiniolizine-2-carboxylic acid and 8-chloro-6,7-dihydro-9-fluoro-5-methyl-1-oxo-1H,5H,-benzo[ij]quinolizine-2-carboxylic acid are disclosed as potent antimicrobials. Pharmaceutically-acceptable carboxylate salts, acyl chlorides, esters and alkylaminoalkyl ester salts of the acids are also disclosed.
Inventors
- 👤 Richard M. Stern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:50
CPC Classifications
C; C07; C07D; C07D455/00; C07D455/03; C07D455/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A method of inhibiting the growth of microorganisms comprising contacting said microorganisms with an effective amount of a compound of the formula ##STR3## wherein X is chloro or bromo, or a sodium salt thereof.
Claim 2
Independent Claim
34 words
A method of inhibiting the growth of microorganisms comprising contacting said microorganisms with an effective amount of a compound of the formula ##STR3## wherein X is chloro or bromo, or a sodium salt thereof.
References Cited (Backward Citations)
US3896131A
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JPS5527204A
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JPS5559121A
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JPS5561776A
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JPS55106776A
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JPS55131632A
Cited
JPS56131629A
Cited
JPS56131630A
Cited
JPS56131631A
Cited
JPS56135807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-06-17 | 1988-12-17 | 1989-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-17 | 1992-12-17 | 1993-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-17 | 1996-12-17 | 1997-06-18 | $7700.00 | Window Closed / Lapsed |