US3296320A
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: 1967-01-03
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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
2026-11-01 22:14
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C07C5/05; C07C2521/00; C07C2521/02; C07C2521/04; C07C2521/06; C07C2521/08; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/755; C07C2601/00; C07C2601/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 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 A CATALYST COMPOSITE CONSISTING OF REDUCED NICKEL AND AN ADSORBENT CARRIER MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALUMINA, SILICA AND DIATOMACEOUS EARTH.
Claim 2
Dependent Claim
53 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 A CATALYST COMPOSITE CONSISTING OF REDUCED NICKEL AND AN ADSORBENT CARRIER MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALUMINA, SILICA AND DIATOMACEOUS EARTH.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |