US3036081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4, 5-benzo tryptamine and process of producing same
Assignee: Sanofi Aventis France
•
Filing: 1958-09-12
•
Granted: 1962-05-22
•
Expires: 1978-09-12
Abstract
No abstract record available.
Inventors
- 👤 Nomine Gerard
- 👤 Penasse Lucine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:34
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
THE 3B-NAPHTHYL HYDRAZONE OF 2,3-DIOXO PIPERIDENE. 2. 5,6-BENZO-1,2,3,4-TETRAHYDRO-1-OXO-B-CARBOLINE. 3. 4,5-BENZO TRYPTAMINE. 4. 4,5-BENZO TRYPTAMINE-2-CARBOXYLIC ACID.
Claim 2
Dependent Claim
15 words
THE 3B-NAPHTHYL HYDRAZONE OF 2,3-DIOXO PIPERIDENE. 2. 5,6-BENZO-1,2,3,4-TETRAHYDRO-1-OXO-B-CARBOLINE. 3. 4,5-BENZO TRYPTAMINE. 4. 4,5-BENZO TRYPTAMINE-2-CARBOXYLIC ACID.
References Cited (Backward Citations)
US2866788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |