Patent US1830129A successfully refreshed from Google Patents.
Patent US3865894A successfully refreshed from Google Patents.
US3865894A
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US
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Process for paraffin-olefin alkylation
Assignee: Sunoco Inc R&M
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Filing: 1968-03-26
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Granted: 1975-02-11
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Expires: 1988-03-26
Abstract
Abstract Olefin-paraffin alkylate is prepared by contacting C3-C9 monoolefin with C4-C6 iso-paraffin (which can, if desired, be prepared in situ from other paraffin isomers) in liquid phase with a substantially anhydrous acidic crystalline aluminosilicate zeolite, and stopping such contacting after substantial alkylation (which can include self-alkylation of the isoparaffin) has occurred but before the weight rate of production of unsaturated hydrocarbon becomes greater than the weight rate of production of saturated hydrocarbon. The degree of conversion of olefins and paraffins to saturate products can be increased by use of halide adjuvants containing bromine, chlorine or fluorine.
Inventors
- 👤 Francis William Kirsch
- 👤 David S Barmby
- 👤 John D Potts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:49
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/061; B01J29/08; B01J29/084; B01J29/085; B01J29/088; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/10; C07C2527/11; C07C2527/12; C07C2527/1206; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/08; C07C2531/00; C07C2531/02; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
79 words
A PARAFFIN-OLEFIN ALKYLATION PROCESS WHICH COMPRISES CONTACTING MONOOLEFIN OF THE C2-C9 RANGE IN ADMIXTURE WITH PARAFFIN OF C4-C8 RANGE AND WITH A SUBSTANTIALLY ANHYDROUS ACIDIC CRYSATLLINE ALUMINO-SILICATE ZEOLITE UNER ALKYLATING CONDITIONS AND WHEREIN THERE IS PRESENT IN SOLUTION IN THE REACTION MIXTURE FROM 10**-5 TO 10**=1 MOLE PER MOLE OF C4-C6 PARAFFIN OF A HALIDE, SAID HALIDE BEING SELECTED FROM THE GROUP CONSISTING OF HCI, CARBON TETRACHLORIDE AND THE ALIPHATIC SATURATED MONOCHLORIDES HAVING NO MORE THAN 6 CARBON ATOMS.
Claim 2
Dependent Claim
79 words
A PARAFFIN-OLEFIN ALKYLATION PROCESS WHICH COMPRISES CONTACTING MONOOLEFIN OF THE C2-C9 RANGE IN ADMIXTURE WITH PARAFFIN OF C4-C8 RANGE AND WITH A SUBSTANTIALLY ANHYDROUS ACIDIC CRYSATLLINE ALUMINO-SILICATE ZEOLITE UNER ALKYLATING CONDITIONS AND WHEREIN THERE IS PRESENT IN SOLUTION IN THE REACTION MIXTURE FROM 10**-5 TO 10**=1 MOLE PER MOLE OF C4-C6 PARAFFIN OF A HALIDE, SAID HALIDE BEING SELECTED FROM THE GROUP CONSISTING OF HCI, CARBON TETRACHLORIDE AND THE ALIPHATIC SATURATED MONOCHLORIDES HAVING NO MORE THAN 6 CARBON ATOMS.
Claim 3
Dependent Claim
105 words
An isoparaffin-olefin alkylation process wherein C3-C9 monoolefin in admixture with C4-C6 isoparaffin having a tertiary carbon atom is contacted with a substantially anhydrous, acidic crystalline alumino-silicate zeolite under alkylation conditions at a temperature below the critical temperature of the lowest boiling hydrocarbon reactant and at a pressure such that the reactants are substantially in liquid phase, and wherein there is present in solution in the reaction mixture from 10 5 to 10 1 mole per mole of C4-C6 isoparaffin of a halide, said halide being selected from the group consisting of HCl, carbon tetrachloride and the aliphatic saturated monochlorides having 1 to 4 carbon atoms.
Claim 4
Dependent Claim
105 words
An isoparaffin-olefin alkylation process wherein C3-C9 monoolefin in admixture with C4-C6 isoparaffin having a tertiary carbon atom is contacted with a substantially anhydrous, acidic crystalline alumino-silicate zeolite under alkylation conditions at a temperature below the critical temperature of the lowest boiling hydrocarbon reactant and at a pressure such that the reactants are substantially in liquid phase, and wherein there is present in solution in the reaction mixture from 10 5 to 10 1 mole per mole of C4-C6 isoparaffin of a halide, said halide being selected from the group consisting of HCl, carbon tetrachloride and the aliphatic saturated monochlorides having 1 to 4 carbon atoms.
Claim 5
Dependent Claim
176 words
A process for the preparation of an isoparaffin-olefin alkylate comprising contacting isobutane with monoolefin selected from the group consisting of isobutylene, butene 2 and butene-1 and with a substantially anhydrous acidic crystalline alumino-silicate zeolite, at a temperature in the range of 25-120*C. and at a pressure such that each of the reactants is substantially in liquid phase, i. said contacting being effected utilizing sufficient agitation so that substantially all of said zeolite is maintained in suspension in the liquid reaction mixture, the amount of unreacted olefin in the reaction mixture being maintained at less than 7 mole percent based on the unreacted isobutane, and iii. wherein the mean weight hourly space velocity of the hydrocarbons in the reaction mixture is in the range of 2-20 gram hydrocarbons per hour-gram catalyst; and wherein there is present in solution in the reaction mixture from 10 5 to 10 1 mole per mole of isobutane of a halide adjuvant selected from the group consisting of HCl, carbon tetrachloride and the aliphatic saturated monochlorides having 1 to 4 carbon atoms.
Claim 6
Dependent Claim
176 words
A process for the preparation of an isoparaffin-olefin alkylate comprising contacting isobutane with monoolefin selected from the group consisting of isobutylene, butene 2 and butene-1 and with a substantially anhydrous acidic crystalline alumino-silicate zeolite, at a temperature in the range of 25-120*C. and at a pressure such that each of the reactants is substantially in liquid phase, i. said contacting being effected utilizing sufficient agitation so that substantially all of said zeolite is maintained in suspension in the liquid reaction mixture, the amount of unreacted olefin in the reaction mixture being maintained at less than 7 mole percent based on the unreacted isobutane, and iii. wherein the mean weight hourly space velocity of the hydrocarbons in the reaction mixture is in the range of 2-20 gram hydrocarbons per hour-gram catalyst; and wherein there is present in solution in the reaction mixture from 10 5 to 10 1 mole per mole of isobutane of a halide adjuvant selected from the group consisting of HCl, carbon tetrachloride and the aliphatic saturated monochlorides having 1 to 4 carbon atoms.
Claim 7
Dependent Claim
149 words
Process for the preparation of an isoparaffin-olefin alkylate comprising contacting isobutane with monoolefin selected from the group consisting of isobutylene, butene-2 and butene-1, and with a substantially anhydrous acidic crystalline alumino-silicate zeolite, at a temperature in the range of 40*-80*C. and at a pressure such that each of the reactants is substantially in liquid phase, i. said contacting being effected utilizing sufficient agitation so that substantially all of said zeolite is maintained in suspension in the liquid reaction mixture, ii. the amount of unreacted olefin in the reaction mixture being maintained at less than 7 mole percent based on the unreacted isobutane, iii. wherein the mean weight hourly space velocity of the hydrocarbons in the reaction mixture is in the range of 2-20 gram hydrocarbons per hour-gram catalyst; and iv. wherein said contacting is in the presence of an alkylation-promoting amount of a halide containing chlorine, bromine or fluorine.
Claim 8
Dependent Claim
149 words
Process for the preparation of an isoparaffin-olefin alkylate comprising contacting isobutane with monoolefin selected from the group consisting of isobutylene, butene-2 and butene-1, and with a substantially anhydrous acidic crystalline alumino-silicate zeolite, at a temperature in the range of 40*-80*C. and at a pressure such that each of the reactants is substantially in liquid phase, i. said contacting being effected utilizing sufficient agitation so that substantially all of said zeolite is maintained in suspension in the liquid reaction mixture, ii. the amount of unreacted olefin in the reaction mixture being maintained at less than 7 mole percent based on the unreacted isobutane, iii. wherein the mean weight hourly space velocity of the hydrocarbons in the reaction mixture is in the range of 2-20 gram hydrocarbons per hour-gram catalyst; and iv. wherein said contacting is in the presence of an alkylation-promoting amount of a halide containing chlorine, bromine or fluorine.
Claim 9
Dependent Claim
52 words
Process according to claim 4 wherein there is present in solution in the reaction mixture from 10 5 to 10 1 mole per mole of isobutane of a halide, said halide being selected from the group consisting of HCl, carbon tetrachloride and the aliphatic saturated monochlorides having 1 to 4 carbon atoms.
Claim 10
Dependent Claim
86 words
An isoparaffin-olefin alkylation process which comprises contacting 2,3-dimethylbutene in admixture with C4-C6 isoparaffin having a tertiary carbon atom in the presence of an alkylation-promoting amount of a halide containing chlorine, bromine or fluorine with a substantially anhydrous acidic crystalline alumino-silicate zeolite under alkylating conditions, i. wherein said contacting is at a temperature below the critical temperature of the lOwest boiling hydrocarbon reactant and is at a pressure such that the reactants are substantially in liquid phase, and ii. wherein said product of said contacting comprises 2,3-dimethylbutane.
Claim 11
Dependent Claim
86 words
An isoparaffin-olefin alkylation process which comprises contacting 2,3-dimethylbutene in admixture with C4-C6 isoparaffin having a tertiary carbon atom in the presence of an alkylation-promoting amount of a halide containing chlorine, bromine or fluorine with a substantially anhydrous acidic crystalline alumino-silicate zeolite under alkylating conditions, i. wherein said contacting is at a temperature below the critical temperature of the lOwest boiling hydrocarbon reactant and is at a pressure such that the reactants are substantially in liquid phase, and ii. wherein said product of said contacting comprises 2,3-dimethylbutane.
Claim 12
Dependent Claim
144 words
Process for the preparation of an olefin-paraffin alkylate comprising contacting butene-1 with n-butane and with substantially anhydrous acidic crystalline alumino-silicate zeolite, at a temperature in the range of 40*-80*C. and at a pressure such that each of the reactants is substantially in liquid phase, i. said contacting being effected utilizing sufficient agitation so that substantially all of said zeolite is maintained in suspension in the liquid reaction mixture, ii. the amount of unreacted olefin in the reaction mixture being maintained at less than 7 mole percent based on the unreacted n-butane, iii. wherein the mean weight hourly space velocity of the hydrocarbons in the reaction mixture with the catalyst is in the range of 2-20 gram hydrocarbon per hour-gram catalyst; and iv. wherein said contacting of step (i) is in the presence of an alkylation-promoting amount of a halide containing chlorine, bromine or fluorine.
Claim 13
Dependent Claim
144 words
Process for the preparation of an olefin-paraffin alkylate comprising contacting butene-1 with n-butane and with substantially anhydrous acidic crystalline alumino-silicate zeolite, at a temperature in the range of 40*-80*C. and at a pressure such that each of the reactants is substantially in liquid phase, i. said contacting being effected utilizing sufficient agitation so that substantially all of said zeolite is maintained in suspension in the liquid reaction mixture, ii. the amount of unreacted olefin in the reaction mixture being maintained at less than 7 mole percent based on the unreacted n-butane, iii. wherein the mean weight hourly space velocity of the hydrocarbons in the reaction mixture with the catalyst is in the range of 2-20 gram hydrocarbon per hour-gram catalyst; and iv. wherein said contacting of step (i) is in the presence of an alkylation-promoting amount of a halide containing chlorine, bromine or fluorine.
Claim 14
Dependent Claim
141 words
Process for the preparation of an olefinparaffin alkylate comprising contacting butene-1 with n-butane and with a substantially anhydrous acidic crystalline alumino-silicate zeolite, at a temperature of 25-120*C. and at a pressure such that each of the reactants is substantially in liquid phase, i. said contacting being effected utilizing sufficient agitation so that substantially all of said zeolite is maintained in suspension in the liquid reaction mixture, ii. the amount of unreacted olefin in the reaction mixture being maintained at less than 7 mole percent based on the unreacted n-butane, iii. wherein the mean weight hourly space velocity of the hydrocarbons in reaction mixture with the catalyst is in the range of 2-20 gram hydrocarbon per hour-gram catalyst; and, iv. wherein said contacting of step (i) is in the presence of an alkylation-promoting amount of a halide containing chlorine, bromine or fluorine.
Claim 15
Dependent Claim
141 words
Process for the preparation of an olefinparaffin alkylate comprising contacting butene-1 with n-butane and with a substantially anhydrous acidic crystalline alumino-silicate zeolite, at a temperature of 25-120*C. and at a pressure such that each of the reactants is substantially in liquid phase, i. said contacting being effected utilizing sufficient agitation so that substantially all of said zeolite is maintained in suspension in the liquid reaction mixture, ii. the amount of unreacted olefin in the reaction mixture being maintained at less than 7 mole percent based on the unreacted n-butane, iii. wherein the mean weight hourly space velocity of the hydrocarbons in reaction mixture with the catalyst is in the range of 2-20 gram hydrocarbon per hour-gram catalyst; and, iv. wherein said contacting of step (i) is in the presence of an alkylation-promoting amount of a halide containing chlorine, bromine or fluorine.
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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) | 1978-02-10 | 1978-08-12 | 1979-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-10 | 1982-08-12 | 1983-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-10 | 1986-08-12 | 1987-02-11 | $7700.00 | Window Closed / Lapsed |