Patent US564369A successfully refreshed from Google Patents.
Patent US3007933A successfully refreshed from Google Patents.
US3007933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of secondary and tertiary acetylenic amines
Assignee: Eli Lilly and Co
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Filing: 1957-02-27
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Granted: 1961-11-07
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Expires: 1977-02-27
Abstract
No abstract record available.
Inventors
- 👤 George F Hennion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:28
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/04; C07C209/06; C07C209/08
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
10 words
THE PROCESS OF PREPARING A COMPOUND OF THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
10 words
THE PROCESS OF PREPARING A COMPOUND OF THE FOLLOWING FORMULA:
Claim 3
Dependent Claim
17 words
THE PROCESS ACCORDING TO CLAIM 1 IN WHICH 1-PIPERIDINO-1-ETHYNYLCYCLOHEXANE IS PRODUCED BY REACTING 1ETHYNYLCYCLOHEXYL CHLORIDE AND PIPERIDINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |