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US3429922A Expired / Lapsed US ⏱️ 0.0 years remaining

Phenylisopropylamines and the salts thereof

Assignee: Science Union et Cie
•
Filing: 1965-12-20
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Granted: 1969-02-25
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Expires: 1985-12-20
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Abstract

No abstract record available.

Inventors

  • 👤 Laszlo Beregi
  • 👤 Pierre Hugon
  • 👤 Jean-Claude Le Douarec

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 20:44
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/13; A61K31/135

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2884455A Cited
US3198833A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-02-25 1972-08-26 1973-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-02-25 1976-08-26 1977-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-02-25 1980-08-26 1981-02-25 $7700.00 Window Closed / Lapsed

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