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US4429127A Expired / Lapsed US ⏱️ 0.0 years remaining

Quinoline carboxylic acid derivative

Assignee: Kyorin Pharmaceutical Co Ltd
•
Filing: 1982-02-17
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Granted: 1984-01-31
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Expires: 2002-02-17
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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)

US4125615A Cited
US4292317A Cited
US4327101A Cited

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

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