US4801620A
Expired / Lapsed
US
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Catalyst for hydrocarbon synthesis
Assignee: Toyota Central R&D Labs Inc
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Filing: 1986-09-26
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Granted: 1989-01-31
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Expires: 2006-09-26
Abstract
Abstract A catalyst for synthesizing hydrocarbons such as butane etc. by hydrogenation of carbon monoxide, which comprises cobalt and cerium oxide as catalytic components supported on a conventional porous material, or cobalt as a catalytic component and cerium oxide as a support thereof. This catalyst can produce C1 or more hydrocarbons and especially C5 or more hydrocarbons in good yields.
Inventors
- 👤 Yoshiyasu Fujitani
- 👤 Hideaki Muraki
- 👤 Shiroh Kondoh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:51
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/83; C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/043; C07C1/0435; C07C2523/00; C07C2523/10; C07C2523/70; C07C2523/74; C07C2523/75; C07C2523/76; C07C2523/83
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
108 words
A method of synthesizing liquid hydrocarbons having at least 5 carbon atoms, which comprises: preparing a catalyst consisting essentially of cobalt and cerium oxide as catalyst components, said cerium oxide being porous, and said cobalt being supported on said porous cerium oxide in an amount ranging from 1 to 25% by weight relative to said cerium oxide; and reacting a mixture of hydrogen and carbon monoxide over said catalyst so as to synthesize liquid hydrocarbons having at least 5 carbon atoms, said reaction being conducted at a temperature ranging from 100° C.-300° C. under a pressure of 1-20 atmospheres at a space velocity of 200-2000 hr -1 .
Claim 2
Independent Claim
108 words
A method of synthesizing liquid hydrocarbons having at least 5 carbon atoms, which comprises: preparing a catalyst consisting essentially of cobalt and cerium oxide as catalyst components, said cerium oxide being porous, and said cobalt being supported on said porous cerium oxide in an amount ranging from 1 to 25% by weight relative to said cerium oxide; and reacting a mixture of hydrogen and carbon monoxide over said catalyst so as to synthesize liquid hydrocarbons having at least 5 carbon atoms, said reaction being conducted at a temperature ranging from 100° C.-300° C. under a pressure of 1-20 atmospheres at a space velocity of 200-2000 hr -1 .
Claim 3
Dependent Claim
24 words
The method according to claim 1, wherein the amount of said cobalt ranges from 4 to 10% by weight relative to said cerium oxide.
Claim 4
Dependent Claim
25 words
The method according to claim 1, wherein said porous cerium oxide support has an average pore size diameter ranging from 50 Å to 2 μm.
Claim 5
Independent Claim
118 words
A method of synthesizing liquid hydrocarbons having at least 5 carbon atoms, which comprises: preparing a catalyst consisting essentially of cobalt and cerium oxide as catalyst components; and reacting a mixture of hydrogen and carbon monoxide over said catalyst so as to synthesize liquid hydrocarbons having at least 5 carbon atoms, said cobalt and cerium oxide being supported on a porous support of alumina.magnesia spinel, and the amount of said cobalt ranging from 3 to 15% by weight and that of said cerium oxide ranging from 0.5 to 15% by weight calculated as cerium, each relative to said porous support, the weight ratio of said cobalt to said cerium oxide calculated as cerium ranging from 0.5 to 10.
Claim 6
Independent Claim
118 words
A method of synthesizing liquid hydrocarbons having at least 5 carbon atoms, which comprises: preparing a catalyst consisting essentially of cobalt and cerium oxide as catalyst components; and reacting a mixture of hydrogen and carbon monoxide over said catalyst so as to synthesize liquid hydrocarbons having at least 5 carbon atoms, said cobalt and cerium oxide being supported on a porous support of alumina.magnesia spinel, and the amount of said cobalt ranging from 3 to 15% by weight and that of said cerium oxide ranging from 0.5 to 15% by weight calculated as cerium, each relative to said porous support, the weight ratio of said cobalt to said cerium oxide calculated as cerium ranging from 0.5 to 10.
Claim 7
Dependent Claim
41 words
The method according to claim 39, wherein the amount of said cobalt ranges from 4 to 8% by weight and that of said cerium oxide ranges from 6.4 to 12.8% by weight calculated as cerium, each relative to said porous support.
Claim 8
Dependent Claim
23 words
The method according to claim 39, wherein said porous support has an average pore size diameter ranging from 50 Å to 2 μm.
Claim 9
Dependent Claim
33 words
The method according to claim 39, wherein the amounts of said cobalt and said cerium oxide are 4% by weight and 12.8% by weight calculated as cerium, respectively, relative to said porous support.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-01-31 | 1992-08-01 | 1993-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-01-31 | 1996-08-01 | 1997-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-01-31 | 2000-08-01 | 2001-01-31 | $7700.00 | Window Closed / Lapsed |