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US2944064A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for preparing 5-hydroxy-tryptamine through new intermediates

Assignee: Francesco Vismara SpA
•
Filing: 1957-02-18
•
Granted: 1960-07-05
•
Expires: 1977-02-18
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Abstract

No abstract record available.

Inventors

  • 👤 Justoni Romeo
  • 👤 Pessina Raffaele

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 15:28
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/14; C07D209/16

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 1 words
5-BENZYLOXY-IBDOLE-3-B-PROPINOAZIDE.
Claim 2
Dependent Claim 1 words
5-BENZYLOXY-IBDOLE-3-B-PROPINOAZIDE.

References Cited (Backward Citations)

US2057948A Cited
US2416258A Cited
US2708197A Cited
US2814625A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-07-05 1964-01-04 1964-07-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-07-05 1968-01-04 1968-07-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-07-05 1972-01-04 1972-07-05 $7700.00 Window Closed / Lapsed

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