US3285983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the 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: 1966-11-15
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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
2026-11-05 21:34
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C07C5/05; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/38; C07C2523/40; C07C2523/42; C07C2601/00; C07C2601/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PROCESS FOR THE PREPARATION OF CIS-CYCLODECENE WHICH COMPRISES REACTING HYDROGEN AND TRANS,CIS-1,5CYCLODECADIENE IN CONTACT WITH A CATALYTIC COMPOSITE COMPRISING PLATINUM AND ALUMINA AT A TEMPERATURE OF FROM ABOUT 0*C. TO ABOUT 100*C. AND AT A HYDROGEN PRESSURE OF FROM ABOUT 200 P.S.I.G. TO ABOUT 1000 P.S.I.G.
Claim 2
Dependent Claim
47 words
A PROCESS FOR THE PREPARATION OF CIS-CYCLODECENE WHICH COMPRISES REACTING HYDROGEN AND TRANS,CIS-1,5CYCLODECADIENE IN CONTACT WITH A CATALYTIC COMPOSITE COMPRISING PLATINUM AND ALUMINA AT A TEMPERATURE OF FROM ABOUT 0*C. TO ABOUT 100*C. AND AT A HYDROGEN PRESSURE OF FROM ABOUT 200 P.S.I.G. TO ABOUT 1000 P.S.I.G.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |