Patent US3355490A successfully refreshed from Google Patents.
US3355490A
Expired / Lapsed
US
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Process of manufacturing cyclohexylamines
Assignee: Abbott Laboratories
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Filing: 1964-08-19
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Granted: 1967-11-28
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Expires: 1984-08-19
Abstract
No abstract record available.
Inventors
- 👤 Frederik H Van Munster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:21
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/18; C08G18/1816; C10L1/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
THE PROCESS OF MANUFACTURING AN AMINE OF THE FORMULA
Claim 2
Dependent Claim
9 words
THE PROCESS OF MANUFACTURING AN AMINE OF THE FORMULA
References Cited (Backward Citations)
US1982985A
Cited
US3278598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |