US3205236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparation of /j-alkylated tryptamines
Assignee: —
•
Filing: —
•
Granted: 1965-09-07
•
Expires: 1982-09-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:19
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/08; C07D209/10; C07D209/14; C07D209/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A PROCESS FOR THE PRODUCTION OF COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF TRYPTAMINES OF THE FORMULA:
Claim 2
Dependent Claim
17 words
A PROCESS FOR THE PRODUCTION OF COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF TRYPTAMINES OF THE FORMULA:
References Cited (Backward Citations)
US2959591A
Cited
US3042684A
Cited
GB744773A
Cited
FR1187064A
Cited
FR1199603A
Cited
US3072530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |