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US3574842A Expired / Lapsed US ⏱️ 0.0 years remaining

Compositions of 4-(1,2,4-oxadiazole-3 or 5-yl)pyridinium salts and method of lowering blood sugar levels with same

Assignee: Wyeth Holdings LLC
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Filing: 1969-11-10
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Granted: 1971-04-13
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Expires: 1989-11-10
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Abstract

Abstract COMPOSITIONS CONTAINING QUATERNARY 1,2,4-OXADIAZOLYLPYRIDINIUM SALTS ARE DESCIRBED ALONG WITH METHODS OF USING THE SAME. THESE ACTIVE COMPONENTS SHOW HYPOGLYCEMIC ACTIVITY EVIDENCED BY THEIR ABILITY TO LOWER BLOOD SUGAR LEVELS.

Inventors

  • 👤 Victor John Bauer
  • 👤 William Joseph Fanshawe
  • 👤 Sidney Robert Safir

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 14:32
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44; C; C07; C07D; C07D413/00; C07D413/02; C07D413/04

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) 1974-04-12 1974-10-12 1975-04-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-04-12 1978-10-12 1979-04-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-04-12 1982-10-12 1983-04-13 $7700.00 Window Closed / Lapsed

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