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US2589205A Expired / Lapsed US ⏱️ 0.0 years remaining

1-benzylpiperidine compounds

Assignee: Eli Lilly and Co
•
Filing: 1949-10-12
•
Granted: 1952-03-11
•
Expires: 1969-10-12
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Abstract

No abstract record available.

Inventors

  • 👤 Pohland Albert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 09:07
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/096

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 20 words
A COMPOUND OF THE CLASS CONSISTING OF A BASE AND ITS ACID ADDITION SALTS, THE SAID BASE HAVING THE FORMULA:
Claim 2
Dependent Claim 20 words
A COMPOUND OF THE CLASS CONSISTING OF A BASE AND ITS ACID ADDITION SALTS, THE SAID BASE HAVING THE FORMULA:

References Cited (Backward Citations)

US2152047A Cited
US2108147A Cited
US2200603A Cited
US2220834A Cited
US2441069A Cited
US2474820A Cited
US2498431A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-03-11 1955-09-10 1956-03-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-03-11 1959-09-10 1960-03-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-03-11 1963-09-10 1964-03-11 $7700.00 Window Closed / Lapsed

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