US3697615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation of olefin hydrocarbons using rhodium or iridium halide complexes with metal halides
Assignee: Phillips Petroleum Co
•
Filing: 1971-02-08
•
Granted: 1972-10-10
•
Expires: 1991-02-08
Abstract
Abstract Olefin hydrocarbons are hydrogenated by contacting the feed olefin hydrocarbon with a catalyst which is an admixture of a rhodium or an iridium halide complex and an aluminum or boron halide.
Inventors
- 👤 William B Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:36
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C07C5/08; C07C2531/00; C07C2531/16; C07C2531/22; C07C2531/24
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
29 words
The process of claim 1 wherein the hydrogenation reaction is accomplished in the presence of an inert diluent in which both (a) and (b) are at least partially soluble.
Claim 2
Dependent Claim
28 words
The process of claim 1 wherein the olefin hydrocarbon is an acyclic and cyclic mono- or polyene having from about three to about 30 carbon atoms per molecule.
Claim 3
Dependent Claim
24 words
The process of claim 1 wherein the molar ratio of (a) to (b) is in the range of from about 1:1 to about 0.01:1.
Claim 4
Dependent Claim
54 words
The process of claim 1 wherein the hydrogenation conditions include a temperature in the range of from about 0* to about 150* C, the pressure is in the range of frOm about 0 to about 1, 000 psig and the reaction time is in the range of from about 1 to about 24 hours.
Claim 5
Dependent Claim
14 words
The process of claim 1 wherein the rhodium or iridium halide complex is (1).
Claim 6
Dependent Claim
19 words
The process of claim 6 wherein Q is arsenic, M is Rh, a is 2 and b is 1.
Claim 7
Dependent Claim
12 words
The process of claim 2 wherein the solvent is chlorobenzene or benzene.
Claim 8
Dependent Claim
13 words
The process of claim 8 wherein the olefin hydrocarbon is 1-hexene or 1,5,9-cyclododecatriene.
Claim 9
Dependent Claim
19 words
The process of claim 9 wherein the catalyst is an admixture of bis(triphenylarsine)carbonylchlororhodium and aluminum chloride or silver fluoroborate.
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) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |