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US3712921A Expired / Lapsed US ⏱️ 0.0 years remaining

Alpha,alpha,alpha,alpha',alpha',alpha'-hexafluorodi-m-tolylamine derivatives

Assignee: ER Squibb and Sons LLC
•
Filing: 1970-09-10
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Granted: 1973-01-23
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Expires: 1990-09-10
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Abstract

Abstract A,A,A,A'',A'',A''-HEXAFLUORODI - M - TOLYLAMINE DERIVATIVES ARE PROVIDED HAVING THE STRUCTURE BIS((F3C-)PHENYL)-N(-R) WHEREIN R IS AS DEFINED HEREINAFTER. THESE COMPOUNDS ARE USEFUL AS ANTIBACTERIAL AGENTS AND IN TREATMENT OF HYPERTENSION.

Inventors

  • 👤 H Yale

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 19:57
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/18; C07D211/26

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) 1976-01-23 1976-07-24 1977-01-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-01-23 1980-07-24 1981-01-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-01-23 1984-07-24 1985-01-23 $7700.00 Window Closed / Lapsed

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