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US3334113A Expired / Lapsed US ⏱️ 0.0 years remaining

9b-phenyl-1, 2, 3, 9b-tetrahydro-5h-imidazo[2,1-a]isoindol-5-ones

Assignee: Sandoz AG
•
Filing: 1963-12-18
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Granted: 1967-08-01
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Expires: 1983-12-18
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Abstract

No abstract record available.

Inventors

  • 👤 William J Houlihan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 16:50
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/44; C07D209/48; C07D487/00; C07D487/02; C07D487/04

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim 12 words
A PROCESS FOR PREPARING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF
Claim 4
Dependent Claim 12 words
A PROCESS FOR PREPARING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF

References Cited (Backward Citations)

CA671043A Cited
US2857396A Cited
US2957885A Cited
US2989537A Cited
AT211831B Cited
US3091568A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-07-31 1971-01-30 1971-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-07-31 1975-01-30 1975-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-07-31 1979-01-30 1979-08-01 $7700.00 Window Closed / Lapsed

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