Patent US3855323A successfully refreshed from Google Patents.
US3855323A
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Olefin isomerization catalysts and process
Assignee: Sun Ventures Inc
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Filing: 1972-05-10
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Granted: 1974-12-17
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Expires: 1992-05-10
Abstract
Abstract The activity of olefin isomerization catalysts such as RuCl2(Ph3P)3 may be substantially enhanced in the presence of compounds which are readily decarbonylated by RuCl2(Ph3P)3 to form carbonyl derivatives of said catalysts.
Inventors
- 👤 J Lyons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:13
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/2206; C07C5/2266; C07C5/2293; B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1895; B01J31/20; B01J31/24; B01J31/2404; B01J2231/00; B01J2231/50; B01J2231/52; B01J2531/00; B01J2531/80; B01J2531/82; B01J2531/821; C07C2531/00; C07C2531/16; C07C2531/24
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
28 words
A PROCESS FOR THE ISOMERIZATION OF OLEFINS WHICH COMPRISES CONTACTING SAID OLEFINS UNDER AN INERT ATMOSPHERE WITH A CATALYST CONSISTING ESSENTIALLY OF A METAL CARBONYL OF THE FORMULA
Claim 2
Dependent Claim
28 words
A PROCESS FOR THE ISOMERIZATION OF OLEFINS WHICH COMPRISES CONTACTING SAID OLEFINS UNDER AN INERT ATMOSPHERE WITH A CATALYST CONSISTING ESSENTIALLY OF A METAL CARBONYL OF THE FORMULA
Claim 3
Dependent Claim
31 words
The process according to claim 1 wherein the metal carbonyl catalyst is formed in situ by reacting in the presence of the olefin starting material a metal complex of the formula
Claim 4
Dependent Claim
25 words
The process according to claim 2 wherein the compound which is decarbonylated is carbon monoxide, a formate ester, an epoxide, an aldehyde or an alcohol.
Claim 5
Dependent Claim
23 words
The process according to claim 2 wherein the compound which is decarbonylated is CO, ethylene oxide, styrene oxide, benzaldehyde, phenylacetaldehyde, crotonaldehyde or benzylformate.
Claim 6
Dependent Claim
17 words
The process according to claim 2 wherein the metal complex catalyst is RuCl2(Ph3P)3, wherein Ph is phenyl.
Claim 7
Dependent Claim
33 words
The process according to claim 1 wherein the amount of metal complex catalyst present is in the range of from about 10 2 to 10 4 moles per liter of olefin starting material.
Claim 8
Dependent Claim
23 words
In the process for the isomerization of olefins in the presence of a catalyst consisting essentially of a metal complex of the formula
Claim 9
Dependent Claim
23 words
In the process for the isomerization of olefins in the presence of a catalyst consisting essentially of a metal complex of the formula
Claim 10
Dependent Claim
28 words
The process according to claim 7 wherein the compound which is decarbonylated is carbon monoxide, a formate ester, an alkyl oxide, an aldehyde, an alcohol or an epoxide.
Claim 11
Dependent Claim
17 words
The process according to claim 7 wherein the metal complex catalyst is RuCl2(Ph3P)3, wherein Ph is phenyl.
Claim 12
Dependent Claim
28 words
A process for the isomerization of olefins which comprises contacting said olefins under an inert atmosphere with a catalyst consisting essentially of a metal carbonyl of the formula
Claim 13
Dependent Claim
28 words
A process for the isomerization of olefins which comprises contacting said olefins under an inert atmosphere with a catalyst consisting essentially of a metal carbonyl of the formula
Claim 14
Dependent Claim
31 words
The process according to claim 10 wherein the metal carbonyl catalyst is formed in situ by reacting in the presence of the olefin starting material a metal complex of the formula
References Cited (Backward Citations)
US3530198A
Cited
US3721718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-16 | 1978-06-17 | 1978-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-16 | 1982-06-17 | 1982-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-16 | 1986-06-17 | 1986-12-17 | $7700.00 | Window Closed / Lapsed |