US3929888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-Phenyl-adamantanealkylamine compounds and their salts
Assignee: Lilly Industries Ltd
•
Filing: 1973-11-19
•
Granted: 1975-12-30
•
Expires: 1993-11-19
Abstract
Abstract 2-Phenyl adamantane alkyl amines are useful as antidepressants and anti-Parkinsonism agents, and may be prepared by a Friedel Crafts'' synthesis involving reaction of benzene with corresponding 2-halogeno compounds.
Inventors
- 👤 Colin H Cashin
- 👤 Jiban K Chakrabarti
- 👤 Stephen S Szinai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:11
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/13; C; C07; C07C; C07C2603/00; C07C2603/56; C07C2603/58; C07C2603/70; C07C2603/74
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
17 words
THE COMPOUND SELECTED FROM THOSE COMPOUNDS OF THE FOLLOWING FORMULA AND THEIR PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS:
Claim 2
Dependent Claim
17 words
THE COMPOUND SELECTED FROM THOSE COMPOUNDS OF THE FOLLOWING FORMULA AND THEIR PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS:
Claim 3
Dependent Claim
22 words
The compound of claim 1 wherein each R0 represents hydrogen, and R2 and each of R3 independently represents hydrogen, methyl or ethyl.
Claim 4
Dependent Claim
11 words
The compound of claim 2 which is 2-phenyl-N,N, Alpha -trimethyl-1-adamantane-ethylamine hydrochloride.
Claim 5
Dependent Claim
11 words
The compound of claim 2 which is 2-phenyl-N, Alpha -dimethyl-1-adamantane-ethylamine hydrochloride.
Claim 6
Dependent Claim
17 words
The compound selected from those compounds of the following formula and their pharmaceutically acceptable acid addition salts:
Claim 7
Dependent Claim
17 words
The compound selected from those compounds of the following formula and their pharmaceutically acceptable acid addition salts:
References Cited (Backward Citations)
US3270036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-29 | 1979-06-30 | 1979-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-29 | 1983-06-30 | 1983-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-29 | 1987-06-30 | 1987-12-30 | $7700.00 | Window Closed / Lapsed |