Patent US2944064A successfully refreshed from Google Patents.
US2944064A
Expired / Lapsed
US
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Process for preparing 5-hydroxy-tryptamine through new intermediates
Assignee: Francesco Vismara SpA
•
Filing: 1957-02-18
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Granted: 1960-07-05
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Expires: 1977-02-18
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 17:28
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)
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 |