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US3711489A Expired / Lapsed US ⏱️ 0.0 years remaining

Certain 8,9-dihydro(3,4,7,8)cycloocta(1,2-d)imidazoles

Assignee: Pfizer Inc
•
Filing: 1971-03-31
•
Granted: 1973-01-16
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Expires: 1991-03-31
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Abstract

Abstract 2 - SUBSTITUTED DIBENZO(B,F)THIEPIN(4,5-D)- AND DIBENZO(3,4,7,8)CYCLOOCTA(1,2 - D)IMIDAZOLES AND THE PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF, A NOVEL CLASS OF ANTIFLAMMATORY AGENT.

Inventors

  • 👤 J Lombardino

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:05
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; A; A61; A61K; A61K47/00; A61K47/06; A61K47/26; A61K9/00; A61K9/0087; A61K9/0095; A61K9/10; A61K9/14; A61K9/141; A61K9/146; A61K9/20; A61K9/2004; A61K9/2013; A61K9/2018; A61K9/2022; A61K9/205; A61K9/2059; A61K9/48; A61K9/4841; A61K9/4858; A61K9/4866; C07C; C07C323/00; C07C51/00; C07C51/08; C07C51/09; C07C57/00; C07C57/30; C07C57/38; C07C63/00; C07C63/33; C07C63/331; C07D495/00; C07D495/02; C07D495/04

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) 1976-01-16 1976-07-17 1977-01-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-01-16 1980-07-17 1981-01-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-01-16 1984-07-17 1985-01-16 $7700.00 Window Closed / Lapsed

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