US3294853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective hydrogenation of trans, cis-1, 5-cyclodecadiene to cis-cyclodecene
Assignee: Universal Oil Products Co
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Filing: 1965-02-04
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Granted: 1966-12-27
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Expires: 1985-02-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph T Arrigo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:31
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C07C5/05; C07C2601/00; C07C2601/06; C07C2601/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR THE PREPARATION OF CIS-CYCLODECENE WHICH COMPRISES REACTING HYDROGEN AND TRANS, CIS-1,5-CYCLODECADIENE UNDER HYDROGEN PRESSURE AND AT A TEMPERATURE OF FROM ABOUT 0*C. TO ABOUT 75*C. IN CONTACT WITH THE REACTION PRODUCT OF A REDUCIBLE NICKEL COMPOUND AND AN ALKALI METAL BOROHYDRIDE.
Claim 2
Dependent Claim
44 words
A PROCESS FOR THE PREPARATION OF CIS-CYCLODECENE WHICH COMPRISES REACTING HYDROGEN AND TRANS, CIS-1,5-CYCLODECADIENE UNDER HYDROGEN PRESSURE AND AT A TEMPERATURE OF FROM ABOUT 0*C. TO ABOUT 75*C. IN CONTACT WITH THE REACTION PRODUCT OF A REDUCIBLE NICKEL COMPOUND AND AN ALKALI METAL BOROHYDRIDE.
References Cited (Backward Citations)
US3022359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |