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US4034011A Expired / Lapsed US ⏱️ 0.0 years remaining

1,1-Diphenyl-4-(substituted-amino)butanes

Assignee: Eli Lilly and Co
•
Filing: 1976-03-12
•
Granted: 1977-07-05
•
Expires: 1996-03-12
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Abstract

Abstract Certain 1,1-diphenyl-4-(substituted-amino)butanes are particularly valuable as antiarrhythmic agents.

Inventors

  • 👤 Bryan B. Molloy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:42
CPC Classifications
C; C07; C07C; C07C211/00; C07C211/01; C07C211/26; C07C211/27

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 12 words
The compound of the formula ##STR2## and the physiologically tolerable salts thereof.
Claim 2
Dependent Claim 12 words
The compound of the formula ##STR2## and the physiologically tolerable salts thereof.
Claim 3
Dependent Claim 10 words
The acid addition salt of the compound of claim 1.

References Cited (Backward Citations)

GB708771A Cited
GB923942A Cited
GB1025041A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-07-04 1981-01-03 1981-07-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-07-04 1985-01-03 1985-07-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-07-04 1989-01-03 1989-07-05 $7700.00 Window Closed / Lapsed

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