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US4151190A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for producing C2 -C4 hydrocarbons from carbon monoxide and hydrogen

Assignee: Dow Chemical Co
•
Filing: 1977-07-11
•
Granted: 1979-04-24
•
Expires: 1997-07-11
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Abstract

Abstract Hydrocarbons of two to four carbon atoms are prepared by an improved Fischer-Tropsch process, the improvement comprising the use of a catalyst comprising:

Inventors

  • 👤 Craig B. Murchison
  • 👤 Dewey A. Murdick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 22:09
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/043; C07C1/0435; C07C2521/00; C07C2521/02; C07C2521/04; C07C2521/06; C07C2521/08; C07C2521/10; C07C2521/18; C07C2523/00; C07C2523/02; C07C2523/04; C07C2523/12; C07C2523/16; C07C2523/24; C07C2523/28; C07C2523/30; C07C2523/32; C07C2523/36; C07C2523/38; C07C2523/40; C07C2523/42; C07C2523/44; C07C2523/46; C07C2527/00; C07C2527/02; C07C2527/04; C07C2527/043; C07C2527/045; C07C2527/047; C07C2527/049; C07C2527/051

Claims Analysis

Total Claims: 33
Claim 1
Independent Claim 153 words
In a process for producing hydrocarbons by contacting carbon monoxide and hydrogen at reactive conditions, the improvement which comprises increasing the yield of the saturated and unsaturated hydrocarbons containing from two to four carbon atoms by contacting the carbon monoxide and hydrogen with a catalyst consisting of: (A) between about 1 percent and about 95 percent by weight based upon the weight of the catalyst of at least one material selected from the group consisting of the metal, oxide or sulfide of molybdenum, tungsten, rhenium, ruthenium and platinum; (B) between about 0.05 percent and about 50 percent by weight based upon the weight of the catalyst of at least one material selected from the group consisting of the hydroxide, oxide or salt of lithium, sodium, potassium, rubidium, cesium, magnesium, calcium, strontium, barium and thorium; and (C) at least about 1 percent by weight based upon the weight of the catalyst of a support.
Claim 2
Dependent Claim 153 words
In a process for producing hydrocarbons by contacting carbon monoxide and hydrogen at reactive conditions, the improvement which comprises increasing the yield of the saturated and unsaturated hydrocarbons containing from two to four carbon atoms by contacting the carbon monoxide and hydrogen with a catalyst consisting of: (A) between about 1 percent and about 95 percent by weight based upon the weight of the catalyst of at least one material selected from the group consisting of the metal, oxide or sulfide of molybdenum, tungsten, rhenium, ruthenium and platinum; (B) between about 0.05 percent and about 50 percent by weight based upon the weight of the catalyst of at least one material selected from the group consisting of the hydroxide, oxide or salt of lithium, sodium, potassium, rubidium, cesium, magnesium, calcium, strontium, barium and thorium; and (C) at least about 1 percent by weight based upon the weight of the catalyst of a support.
Claim 3
Dependent Claim 16 words
The process of claim 1 wherein C is carbon, alumina, silica, zirconia, magnesia, or mixtures thereof.
Claim 4
Dependent Claim 11 words
The process of claim 1 wherein C is carbon or alumina.
Claim 5
Dependent Claim 9 words
The process of claim 1 wherein C is carbon.
Claim 6
Dependent Claim 30 words
The process of claim 1 wherein B is at least one material selected from the group consisting of the hydroxide, oxide or salt of lithium, sodium, potassium, rubidium and cesium.
Claim 7
Dependent Claim 25 words
The process of claim 1 wherein B is at least one material selected from the group consisting of the hydroxide, oxide or salt of potassium.
Claim 8
Dependent Claim 27 words
The process of claim 1 wherein C is present in an amount of at least about 50 percent by weight based upon the weight of the catalyst.
Claim 9
Dependent Claim 27 words
The process of claim 1 wherein C is present in an amount of at least about 80 percent by weight based upon the weight of the catalyst.
Claim 10
Dependent Claim 49 words
The process of claim 8 wherein A is present in an amount of at least about 10 percent by weight based upon the weight of the catalyst and B is present in a concentration of at least about 0.5 percent by weight based upon the weight of a catalyst.
Claim 11
Dependent Claim 16 words
The process of claim 9 wherein C is carbon, alumina, silica, zirconia, magnesia, or mixtures thereof.
Claim 12
Dependent Claim 11 words
The process of claim 9 wherein C is carbon or alumina.
Claim 13
Dependent Claim 9 words
The process of claim 9 wherein C is carbon.
Claim 14
Dependent Claim 30 words
The process of claim 9 wherein B is at least one material selected from the group consisting of the hydroxide, oxide or salt of lithium, sodium, potassium, rubidium and cesium.
Claim 15
Dependent Claim 25 words
The process of claim 9 wherein B is at least one material selected from the group consisting of the hydroxide, oxide or salt of potassium.
Claim 16
Dependent Claim 150 words
In a process for producing hydrocarbons by contacting carbon monoxide and hydrogen at reactive conditions, the improvement which comprises increasing the yield of the saturated and unsaturated hydrocarbons containing from 2 to 4 carbon atoms by contacting the carbon monoxide and hydrogen with a catalyst consisting of: (A) between about 1 percent and about 95 percent by weight based upon the weight of the catalyst of at least one material selected from the group consisting of the metal, oxide or sulfide of molybdenum and tungsten; (B) between about 0.05 percent and about 50 percent by weight based upon the weight of the catalyst of at least one material selected from the group consisting of the hydroxide, oxide or salt of lithium, sodium, potassium, rubidium, cesium, magnesium, calcium, strontium, barium and thorium; and (C) at least about 1 percent by weight based upon the weight of the catalyst of a support.
Claim 17
Dependent Claim 150 words
In a process for producing hydrocarbons by contacting carbon monoxide and hydrogen at reactive conditions, the improvement which comprises increasing the yield of the saturated and unsaturated hydrocarbons containing from 2 to 4 carbon atoms by contacting the carbon monoxide and hydrogen with a catalyst consisting of: (A) between about 1 percent and about 95 percent by weight based upon the weight of the catalyst of at least one material selected from the group consisting of the metal, oxide or sulfide of molybdenum and tungsten; (B) between about 0.05 percent and about 50 percent by weight based upon the weight of the catalyst of at least one material selected from the group consisting of the hydroxide, oxide or salt of lithium, sodium, potassium, rubidium, cesium, magnesium, calcium, strontium, barium and thorium; and (C) at least about 1 percent by weight based upon the weight of the catalyst of a support.
Claim 18
Dependent Claim 25 words
The process of claim 15 wherein A is at least one material selected from the group consisting of the sulfide, oxide or metal of molybdenum.
Claim 19
Dependent Claim 30 words
The process of claim 15 wherein B is at least one material selected from the group consisting of the hydroxide, oxide or salt of lithium, sodium, potassium, rubidium and cesium.
Claim 20
Dependent Claim 16 words
The process of claim 17 wherein C is carbon, alumina, silica, zirconia, magnesia or mixtures thereof.
Claim 21
Dependent Claim 25 words
The process of claim 18 wherein A is at least one material selected from the group consisting of the sulfide, oxide or metal of molybdenum.
Claim 22
Dependent Claim 25 words
The process of claim 19 wherein B is at least one material selected from the group consisting of the hydroxide, oxide or salt of potassium.
Claim 23
Dependent Claim 11 words
The process of claim 20 wherein C is carbon or alumina.
Claim 24
Dependent Claim 9 words
The process of claim 21 wherein C is carbon.
Claim 25
Dependent Claim 144 words
In a process for producing hydrocarbons by contacting carbon monoxide and hydrogen at reactive conditions, the improvement which comprises increasing the yield of the saturated and unsaturated hydrocarbons containing from 2 to 4 carbon atoms by contacting the carbon monoxide and hydrogen with a catalyst consisting of: (A) at least about 10 percent by weight based upon the weight of the catalyst of at least one material selected from the group consisting of the metal, oxide or sulfide of molybdenum and tungsten; (B) at least about 0.5 percent by weight based upon the weight of the catalyst of at least one material selected from the group consisting of the hydroxide, oxide or salt of lithium, sodium, potassium, rubidium, cesium, magnesium, calcium, strontium, barium and thorium; and (C) at least about 80 percent by weight based upon the weight of the catalyst of a support.
Claim 26
Dependent Claim 144 words
In a process for producing hydrocarbons by contacting carbon monoxide and hydrogen at reactive conditions, the improvement which comprises increasing the yield of the saturated and unsaturated hydrocarbons containing from 2 to 4 carbon atoms by contacting the carbon monoxide and hydrogen with a catalyst consisting of: (A) at least about 10 percent by weight based upon the weight of the catalyst of at least one material selected from the group consisting of the metal, oxide or sulfide of molybdenum and tungsten; (B) at least about 0.5 percent by weight based upon the weight of the catalyst of at least one material selected from the group consisting of the hydroxide, oxide or salt of lithium, sodium, potassium, rubidium, cesium, magnesium, calcium, strontium, barium and thorium; and (C) at least about 80 percent by weight based upon the weight of the catalyst of a support.
Claim 27
Dependent Claim 25 words
The process of claim 23 wherein A is at least one material selected from the group consisting of the sulfide, oxide or metal of molybdenum.
Claim 28
Dependent Claim 30 words
The process of claim 23 wherein B is at least one material selected from the group consisting of the hydroxide, oxide or salt of lithium, sodium, potassium, rubidium and cesium.
Claim 29
Dependent Claim 16 words
The process of claim 25 wherein C is carbon, alumina, silica, zirconia, magnesia, or mixtures thereof.
Claim 30
Dependent Claim 25 words
The process of claim 26 wherein A is at least one material selected from the group consisting of the sulfide, oxide or metal of molybdenum.
Claim 31
Dependent Claim 25 words
The process of claim 27 wherein B is at least one material selected from the group consisting of the hydroxide, oxide or salt of potassium.
Claim 32
Dependent Claim 11 words
The process of claim 28 wherein C is carbon or alumina.
Claim 33
Dependent Claim 9 words
The process of claim 28 wherein C is carbon.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-04-23 1982-10-23 1983-04-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-04-23 1986-10-23 1987-04-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-04-23 1990-10-23 1991-04-24 $7700.00 Window Closed / Lapsed

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