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US3793328A Expired / Lapsed US ⏱️ 0.0 years remaining

8benzoyl 1,2,3,4 tetrahydroquinoline

Assignee: Pharmacia and Upjohn Co
•
Filing: 1971-02-08
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Granted: 1974-02-19
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Expires: 1991-02-08
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Abstract

Abstract 1,2 - DIHYDRO - 8 - PHENYL - 3H PYRIDO(3,2,1-JK)(1,4)BENZODIAZEPIN-5(6H)-ONES, PROCESS FOR PREPARING THE SAME AND INTERMEDIATES PREPARED BY SAID PROCESSES. THE NOVEL COMPOUNDS OF THIS INVENTION EXHIBIT TRANQUILIZING AND ANTICONVULSANT ACTIVITY IN ANIMALS.

Inventors

  • 👤 J Hester

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:45
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04; C07D215/00; C07D215/02; C07D215/12; C07D215/14; C07D215/16; C07D215/18; C07D215/20

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) 1977-02-18 1977-08-20 1978-02-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-02-18 1981-08-20 1982-02-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-02-18 1985-08-20 1986-02-19 $7700.00 Window Closed / Lapsed

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