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US3763195A Expired / Lapsed US ⏱️ 0.0 years remaining

Novel 21-acyloxy-3alpha-hydroxy-5alpha-pregnone-11,20-diones

Assignee: Glaxo Laboratories Ltd
•
Filing: 1971-02-09
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Granted: 1973-10-02
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Expires: 1991-02-09
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Abstract

Abstract THIS INVENTION IS CONCERNED WITH IMPROVEMENTS IN OR RELATING TO PHARMACEUTICAL PREPARATIONS HAVING ANAESTHETIC ACTIVITY, AND MORE PARTICULARLY AQUEOUS PREPARATIONS SUITABLE FOR INTRAVENOUS INJECTION.

Inventors

  • 👤 B Davis
  • 👤 N Weir
  • 👤 C Newall
  • 👤 D Pearce
  • 👤 M Cook
  • 👤 G Phillipps
  • 👤 B Ayres
  • 👤 G Gregory

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 06:37
CPC Classifications
C; C07; C07J; C07J5/00; C07J75/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-10-01 1977-04-02 1977-10-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-10-01 1981-04-02 1981-10-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-10-01 1985-04-02 1985-10-02 $7700.00 Window Closed / Lapsed

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