US3145229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of nu-substituted-1-phenylcyclohexylamines
Assignee: Parke Davis and Co LLC
•
Filing: 1960-04-04
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Granted: 1964-08-18
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Expires: 1980-04-04
Abstract
No abstract record available.
Inventors
- 👤 Erik F Godefroi
- 👤 Robert F Parcell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:08
CPC Classifications
C; C07; C07C; C07C211/00; C07C211/33; C07C211/34; C07C211/35; C07C2601/00; C07C2601/04; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
PROCESS FOR THE PRODUCTION OF A 1-PHANYLCYCLOHEXYLAMINE COMPOUND HAVING IN THE FREE BASE FORM THE FORMULA
Claim 2
Dependent Claim
16 words
PROCESS FOR THE PRODUCTION OF A 1-PHANYLCYCLOHEXYLAMINE COMPOUND HAVING IN THE FREE BASE FORM THE FORMULA
References Cited (Backward Citations)
BE565260A
Cited
US2711428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |