US3607959A
Expired / Lapsed
US
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Catalyst for hydrocarbon conversion
Assignee: Texaco Inc
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Filing: 1967-06-16
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Granted: 1971-09-21
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Expires: 1987-06-16
Abstract
Abstract This invention relates to a method of preparing a catalyst useful in hydrocarbon conversion such as alkylation and polymerization. More particularly, this invention relates to the polymerization of polymerizable hydrocarbons e.g. propylene and the alkylation of alkylatable hydrocarbons e.g. benzene in the presence of an alumina catalyst activated with an organic species having at least two carbon atoms per molecule, and chlorine or bromine in suitable proportions, or with a mixture of multicarbon activators and chlorine and bromine.
Inventors
- 👤 John Estes
- 👤 Robert M Suggitt
- 👤 Stanley Kravitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:21
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/64; C07C2/66; B; B01; B01J; B01J21/00; B01J21/02; B01J21/04; B01J27/00; B01J27/06; B01J27/08; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/10; C07C2/26; C08; C08F; C08F10/00; C07C2521/00; C07C2521/02; C07C2521/04; C07C2527/00; C07C2527/06; C07C2531/00; C07C2531/02; C07C2531/26
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
20 words
A process according to claim 1 wherein said composite is contacted at a temperature within the range of 450*-650* F.
Claim 2
Dependent Claim
13 words
A process according to claim 1 wherein said composite is contacted with chlorine.
Claim 3
Dependent Claim
13 words
A process according to claim 1 wherein said composite is contacted with bromine.
Claim 4
Dependent Claim
12 words
A process according to claim 1 wherein said organic compound is chloral.
Claim 5
Dependent Claim
12 words
A process according to claim 1 wherein said organic compound is tetrachloroethylene.
Claim 6
Dependent Claim
149 words
In a process for olefin conversion selected from the group consisting of aromatic alkylation and polymerization the improvement which comprises contacting the reactants with a catalyst consisting essentially of alumina and about 3.0 to about 15.0 percent by weight chloride or bromine, said catalyst prepared by contacting alumina at tempEratures between 200* and 800* F. with (1) molecular chlorine or bromine, and (2) an organic compound selected from the group consisting of sym-tetrachloroethane, tetrachloroethylene, pentachloroethane, hexachloroacetone, hexachloro-1,3-butadiene, hexachloropropane-2, hexachlorocyclopentadiene, hexachloropropylene, trichloroacryloyl chloride, chloral, ethane and ethylene; wherein the mole ratio of said molecular chlorine or bromine to said organic compound is greater than X-Y/2 if X is equal to or greater than Y or greater than 0 if X is less than Y, where X corresponds to the number of hydrogen atoms in said organic compound and Y corresponds to the number of chlorine atoms in said organic compound.
Claim 7
Dependent Claim
21 words
A process according to claim 7 wherein said olefin conversion process is aromatic alkylation and where benzene is alkylated with ethylene.
Claim 8
Dependent Claim
19 words
A process according to claim 7 wherein said olefin conversion process is polymerization and where said olefin is propylene.
Claim 9
Dependent Claim
126 words
A catalyst consisting essentially of alumina and about 3.0 to about 15.0 percent by weight chlorine or bromine, said catalyst prepared by contacting alumina at temperatures between 200* and 800* F. with (1) molecular chlorine or bromine, and (2) an organic compound selected from the group consisting of sym-tetrachloroethane, tetrachloroethylene, pentachloroethane, hexachloroacetone, hexachloro-1,3-butadiene, hexachloropropane-2 , hexachlorocyclopentadiene, hexachloropropylene, trichloroacryloyl chloride, chloral, ethane and ethylene, wherein the mole ratio of said molecular chlorine or bromine to said organic compound is greater than X-Y/2 if X is equal to or greater than Y or greater than 0 if X is less than Y, where X corresponds to the number of hydrogen atoms in said organic compound and Y corresponds to the number of chlorine atoms in said organic compound.
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |