US3689504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-substituted -alpha-methyl-3,4-(methylenedioxy) phenethylamines
Assignee: Abbott Laboratories
•
Filing: 1970-12-24
•
Granted: 1972-09-05
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Expires: 1990-12-24
Abstract
Abstract N-substituted- Alpha -methyl-3,4-(methylenedioxy)phenethylamines of the formula: WHEREIN R is cyclopropyl or cyclopropylmethyl. The compounds are useful as appetite depressants.
Inventors
- 👤 Bruce Wayne Horrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:06
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/50; C07D317/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A compound in accordance with claim 1 wherein R is cyclopropyl, N-cyclopropyl- Alpha -methyl-3,4-(methylenedioxy) phenethylamine.
Claim 2
Dependent Claim
14 words
A compound in accordance with claim 1 wherein R is cyclopropylmethyl, N-cyclopropylmethyl- Alpha -methyl-3,4-(methylenedioxy)phenethylamine.
References Cited (Backward Citations)
US1073966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |