US4174356A
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Synthetic amorphous silica paraffin hydrogenation-dehydrogenation
Assignee: Mobil Oil AS
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Filing: 1978-02-10
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Granted: 1979-11-13
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Expires: 1998-02-10
Abstract
Abstract Hydrogenation-dehydrogenation of suitable feedstock is provided wherein such feedstock is subjected to hydrogenation-dehydrogenation conditions in the presence of a catalytic amount of a solid containing, at least in part, a synthetic amorphous solid prepared by hydrolyzing and polymerizing in the presence of water a silane having the formula R(Si)X3, wherein R is a nonhydrolyzable organic group, X is a hydrolyzable group and (Si) is selected from the group consisting of <IMAGE> and calcining the polymerized product, said silane being admixed with a second compound, R'nMYm, wherein R' is selected from the group consisting of the same groups as R, Y is selected from the group consisting of the same groups as X and oxygen, M is at least one member selected from the group consisting of the elements of Groups IIIA, IVA, VA, IVB, VB, VIB, VIIB and VIII of the Periodic Table, m is any number greater than 0 and up to 8 and n is from 0 to any number less than 8.
Inventors
- 👤 Thomas O. Mitchell
- 👤 Darrell D. Whitehurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:50
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; B; B01; B01J; B01J21/00; B01J21/06; B01J21/08; B01J37/00; B01J37/08; B01J37/082; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C08; C08G; C08G77/00; C08G77/04; C08G77/06; C08G77/38; C07C2531/00; C07C2531/02; C07C2531/06
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
178 words
A hydrogenation-dehydrogenation process wherein a paraffin of from 2 to about 30 carbon atoms is subjected to hydrogenation-dehydrogenation conditions in the presence of a catalytic amount of a solid containing, at least in part, a synthetic amorphous solid prepared by the steps of hydrolyzing and polymerizing in the presence of water a silane having the formula R(Si)X 3 , wherein R is a nonhydrolyzable organic group, X is a hydrolyzable group and (Si) is selected from the group consisting of ##STR7## and calcining the polymerized product, said silane being admixed with a second compound, R' n MY m , wherein R' is selected from the group consisting of the same groups as R, Y is selected from the group consisting of the same groups as X and oxygen, M is at least one member selected from the group consisting of the elements of Groups IIIA, IVA, VA, IVB, VB, VIB and VIII of the Periodic Table, m is any number greater than 0 and up to 8 and n is from 0 to any number less than 8.
Claim 2
Dependent Claim
178 words
A hydrogenation-dehydrogenation process wherein a paraffin of from 2 to about 30 carbon atoms is subjected to hydrogenation-dehydrogenation conditions in the presence of a catalytic amount of a solid containing, at least in part, a synthetic amorphous solid prepared by the steps of hydrolyzing and polymerizing in the presence of water a silane having the formula R(Si)X 3 , wherein R is a nonhydrolyzable organic group, X is a hydrolyzable group and (Si) is selected from the group consisting of ##STR7## and calcining the polymerized product, said silane being admixed with a second compound, R' n MY m , wherein R' is selected from the group consisting of the same groups as R, Y is selected from the group consisting of the same groups as X and oxygen, M is at least one member selected from the group consisting of the elements of Groups IIIA, IVA, VA, IVB, VB, VIB and VIII of the Periodic Table, m is any number greater than 0 and up to 8 and n is from 0 to any number less than 8.
Claim 3
Dependent Claim
32 words
The process of claim 1 wherein R of said catalyst material is a member selected from the group consisting of alkyl, cycloalkyl, aryl, alkenyl, cycloalkenyl and said members hydroxy-substituted, halogen-substituted and amino-substituted.
Claim 4
Dependent Claim
38 words
The process of claim 1 wherein X of said catalyst material is a member selected from the group consisting of halogen and alkoxy of from 1 to 10 carbon atoms, alkali metaloxy, alkaline earth metaloxy, carboxy and amino.
Claim 5
Dependent Claim
9 words
The process of claim 1 wherein X is chlorine.
Claim 6
Dependent Claim
9 words
The process of claim 3 wherein X is alkoxy.
Claim 7
Dependent Claim
9 words
The process of claim 5 wherein X is methoxy.
Claim 8
Dependent Claim
35 words
The process of claim 4 wherein R(Si)X 3 is selected from the group consisting of phenyl trichlorosilane, (C 6 H 5 ) 3 Si--O--SiCl 3 , methyl trichlorosilane, ethyl trichlorosilane, dodecyl trichlorosilane and mixtures thereof.
Claim 9
Dependent Claim
30 words
The process of claim 1 wherein the calcination step in preparation of said catalyst material is carried out at a temperature of from about 200° C. to about 600° C.
Claim 10
Dependent Claim
45 words
The process of claim 1 wherein M of said catalyst material is a member selected from the group consisting of molybdenum, silver, nickel, zirconium, tungsten, chromium, copper, manganese, zinc, cobalt, vanadium, titanium, platinum, palladium, iron, boron and mixtures thereof with each other and/or with aluminum.
Claim 11
Dependent Claim
14 words
The process of claim 9 wherein M is the mixture of vanadium and molybdenum.
Claim 12
Dependent Claim
20 words
The process of claim 9 wherein M includes aluminum as an aluminum alkoxide of from 1 to 10 carbon atoms.
Claim 13
Dependent Claim
12 words
The process of claim 9 wherein M includes aluminum as aluminum chloride.
Claim 14
Dependent Claim
23 words
The process of claim 1 wherein M of said catalyst material is a member of Group VIII of the Periodic Table of Elements.
Claim 15
Dependent Claim
26 words
The process of claim 13 wherein there is present in the final calcined catalyst material a member selected from the group consisting of platinum and palladium.
Claim 16
Dependent Claim
28 words
The process of claim 9 wherein there is present in the final calcined catalyst material aluminum and a member selected from the group consisting of cobalt and nickel.
Claim 17
Dependent Claim
49 words
The process of claim 9 wherein there is present in the hydrolysis and polymerization steps in preparation of said catalyst material an inorganic compound consisting of an anion of M and Y and a cation selected from the group consisting of hydrogen, alkali metal, alkaline earth metal and ammonium.
Claim 18
Dependent Claim
26 words
The process of claim 16 wherein said inorganic compound is selected from the group consisting of boric acid, sodium ethyl chloroplatinate, chloroplatinic acid and sodium aluminate.
Claim 19
Dependent Claim
30 words
The process of claim 1 wherein the steps of hydrolyzing and polymerizing in preparation of said catalyst material are carried out in the presence of water and an organic solvent.
Claim 20
Dependent Claim
12 words
The process of claim 18 wherein the organic solvent is an alcohol.
Claim 21
Dependent Claim
10 words
The process of claim 19 wherein the alcohol is methanol.
Claim 22
Dependent Claim
29 words
The process of claim 1 wherein the steps of hydrolyzing and polymerizing in preparation of said catalyst material are carried out in the presence of water and a base.
Claim 23
Dependent Claim
18 words
The process of claim 21 wherein the base is selected from the group consisting of pyridine and triethylamine.
References Cited (Backward Citations)
US2722504A
Cited
US2715060A
Cited
US3236594A
Cited
US3210273A
Cited
US3709833A
Cited
US3661770A
Cited
US3983055A
Cited
US4003825A
Cited
US4086261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-11-12 | 1983-05-14 | 1983-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-12 | 1987-05-14 | 1987-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-12 | 1991-05-14 | 1991-11-13 | $7700.00 | Window Closed / Lapsed |