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US3592895A Expired / Lapsed US ⏱️ 0.0 years remaining

Pyrimidine derivatives as anti-inflammatory,analgesic and antipyretic agents

Assignee: Imperial Chemical Industries Ltd
•
Filing: 1969-10-24
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Granted: 1971-07-13
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Expires: 1989-10-24
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Abstract

Abstract THE DISCLOSURE RELATES TO PHENYL (AND BENZYL)-PYRIMIDYL-ALKANOIC ACIDS AND RELATED COMPOUNDS WHICH POSSESS ANTI-INFLAMMATORY, ANALGESIC AND ANTIPYRETIC ACTIVITY, PROCESSES FOR MAKING SAID ACIDS AND COMPOUNDS, PHARMACEUTICAL COMPOSITIONS CONTAINING AT LEAST ONE OF SAID ACIDS AND COMPOUNDS, AND THE MET HOD OF USING SAID ACIDS AND COMPOUNDS IN A HOST NEEDING SAID ACTIVITY. REPRESENATIVE OF THE COMPOUNDS DISCLOSED ARE METHYL 2-PCHLOROPHENYL - 6 - METHOXYPYRIMID - 4 - YLACETATE, DIETHYL 2 - (2 - P - CHLOROPHENYL - 6 - METHOXYPYRIMID - 4 - YL)MALONATE, 2-P-CHLOROPHENYL - 6 - METHOXY - 4 - METHYLPYRIMID - 5 - YLACETIC ACID, AND METHYL A-(2-P-CHLOROPHENYL-6-METHOXYPYRIMID-4-YL)PROPIONATE.

Inventors

  • 👤 Walter Hepworth
  • 👤 Thomas Walton Thompson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 18:17
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/26; C07D239/28; C07D239/32; C07D239/34; C07D239/36; C07D239/42; G; G11; G11B; G11B15/00; G11B15/18; G11B15/20

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-07-12 1975-01-11 1975-07-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-07-12 1979-01-11 1979-07-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-07-12 1983-01-11 1983-07-13 $7700.00 Window Closed / Lapsed

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