Patent US2797242A successfully refreshed from Google Patents.
US2797242A
Expired / Lapsed
US
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Substituted alpha-benzylphenethylamines and methods for producing the same
Assignee: Parke Davis and Co LLC
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Filing: 1953-08-11
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Granted: 1957-06-25
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Expires: 1973-08-11
Abstract
No abstract record available.
Inventors
- 👤 William H Edgerton
- 👤 Robert L Hull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:52
CPC Classifications
C; C07; C07C; C07C217/00; C07C217/54; C07C209/00; C07C209/60; C07C211/00; C07C211/01; C07C211/26; C07C211/27; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A COMPOUND OF THE CLASS CONSISTING OF AN N-PHENALKYL-A-BENZYLPHENETHYLAMINE AND ITS MINERAL ACID ADDITION SALTS SAID N-PHENALKYL-A-BENZYLPHENETHYLAMINE HAVING IN THE FREE BASE FROM THE FORMULA.
Claim 2
Dependent Claim
25 words
A COMPOUND OF THE CLASS CONSISTING OF AN N-PHENALKYL-A-BENZYLPHENETHYLAMINE AND ITS MINERAL ACID ADDITION SALTS SAID N-PHENALKYL-A-BENZYLPHENETHYLAMINE HAVING IN THE FREE BASE FROM THE FORMULA.
References Cited (Backward Citations)
US2006114A
Cited
DE617647C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |