Patents by Inventor Matthew J. Vincent
Matthew J. Vincent has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20160038928Abstract: The present disclosure relates to a method for treating a catalyst that is useful for producing mono-alkylaromatic compounds, the method comprises the steps of (a) contacting the untreated catalyst with water to produce water-contacted catalyst, and (b) drying the water-contacted catalyst with a drying gas without steam being formed at a temperature of less than 300° C. to produce a treated catalyst. The treatment is effective to improve the activity and catalyst selectivity. A process for producing a mono-alkylaromatic compound comprising such a catalyst treatment is also disclosed.Type: ApplicationFiled: April 22, 2014Publication date: February 11, 2016Inventors: Matthew J. Vincent, Terry E. Helton, Dominick A. Zurlo
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Patent number: 9249067Abstract: The present invention provides an improved process for producing an alkylated aromatic compound from an at least partially untreated alkylatable aromatic compound having catalyst poisons and an alkylating agent, wherein said alkylatable aromatic compound stream is treated to reduce catalyst poisons with a treatment composition having a surface area/surface volume ratio of greater than or equal to 30 in?1 (12 cm?1) in a treatment zone separate from an alkylation reaction zone under treatment conditions including a temperature of from about 30° C. to about 300° C. to form an effluent comprising said treated alkylatable aromatic compound.Type: GrantFiled: April 15, 2011Date of Patent: February 2, 2016Assignee: ExxonMobil Chemical Patents Inc.Inventors: Matthew J. Vincent, Vijay Nanda, Terry E. Helton
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Patent number: 9217735Abstract: The present invention provides a method for selecting an improved catalyst composition comprising a crystalline molecular sieve material having a structure and properties whereby the catalyst composition has at least one active catalytic site with a Mono Alkylation Selectivity Factor (MASF) greater than or equal to 0 kcal/mol±0.5 kcal/mol, and optionally further at least one active catalytic site with an Olefin Oligomerization Suppression Factor (OOSF) greater than or equal to 5 kcal/mol±0.5 kcal/mol. Further, there is provided an improved process for conversion of hydrocarbon feedstock in the presence of said selected catalyst composition.Type: GrantFiled: August 4, 2011Date of Patent: December 22, 2015Assignee: ExxonMobil Chemical Patents Inc.Inventors: Yogesh V. Joshi, Pallassana S. Venkataraman, Terry E. Helton, Charles M. Smith, Jose G. Santiesteban, Matthew J. Vincent
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Patent number: 9199892Abstract: The present invention provides an improved process for the catalytic conversion of a feedstock comprising an alkylatable aromatic compound and an alkylating agent to form a conversion product comprising the desired alkylaromatic compound by contacting said feedstock in at least partial liquid phase under catalytic conversion conditions with a catalyst composition comprising a porous crystalline material having a structure type of FAU, BEA* or MWW, or a mixture thereof, wherein the porous crystalline material has a Relative Activity measured at 220° C. as an RA220 of at least 7.5 or measured at 180° C. as RA180 of at least 2.5, allowing operation at lower reaction pressures, e.g., a reaction pressure of about 450 psig (3102 kPa) or less, and lower alkylating agent feed supply pressure of 450 psig (3102 kPa) or less.Type: GrantFiled: January 22, 2013Date of Patent: December 1, 2015Assignee: ExxonMobil Chemical Patents Inc.Inventors: Matthew J. Vincent, Vijay Nanda, Brian Maerz, Maruti Bhandarkar
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Publication number: 20150315096Abstract: In a process for producing cumene, a C3 feed stream is contacted with an aromatic stream comprising benzene to produce an alkylation effluent comprising cumene. A portion of the alkylation effluent and at least one three-carbon alkylating agent is supplied to a treatment zone to remove impurities to form a treated feedstock. The C3 feed stream comprises a portion of the treated feedstock.Type: ApplicationFiled: November 26, 2013Publication date: November 5, 2015Inventor: Matthew J. Vincent
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Patent number: 9169173Abstract: The present invention provides a process for producing a monoalkylated benzene comprising the step of contacting benzene with an alkylating agent in the presence of a catalyst composition under effective alkylation conditions to form said monoalkylated benzene and polyalkylated benzene, said catalyst composition comprising MCM-56 and a binder, such that the crystal/binder weight ratio in said catalyst composition is from about 20/80 to about 80/20, wherein said polyalkylated benzene comprises dialkylated benzene and trialkylated benzene, and the weight ratio of trialkylated benzene to dialkylated benzene is in the range from about 0.08 to about 0.12.Type: GrantFiled: May 2, 2014Date of Patent: October 27, 2015Assignee: ExxonMobil Chemical Patents Inc.Inventors: Matthew J. Vincent, Terry E. Helton, Ivy D. Johnson
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Patent number: 8993820Abstract: The present invention provides an improved process for producing an alkylated aromatic compound from an at least partially untreated alkylatable aromatic compound having catalyst poisons, wherein said alkylatable aromatic compound stream is treated to reduce catalyst poisons with a treatment composition having a surface area/surface volume ratio of greater than or equal to 30 in?1 (12 cm?1) in a treatment zone separate from an alkylation reaction zone under treatment conditions including a temperature of from about 30° C. to about 300° C. to form an effluent comprising said treated alkylatable aromatic compound.Type: GrantFiled: April 15, 2011Date of Patent: March 31, 2015Assignee: ExxonMobil Chemical Patents Inc.Inventors: Matthew J. Vincent, Vijay Nanda, Terry E. Helton
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Publication number: 20150025286Abstract: The present disclosure relates to a process for production of a monoalkyl aromatic compound by alkylation of alkylatable aromatic compounds with an alkylating agent in a reactor comprising at least a first and a second series-connected alkylation reaction zones and a cooler disposed between the first and the second series-connected alkylation reaction zones. The process comprising a step of cooling at least a portion of an effluent withdrawn from the first alkylation reaction zone before being introduced into the second alkylation reaction zone.Type: ApplicationFiled: December 13, 2012Publication date: January 22, 2015Applicant: ExxonMobile Chemical Patents Inc.Inventors: Matthew J. Vincent, Vijay Nanda
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Patent number: 8877996Abstract: Disclosed is a process for the production of alkylated aromatics by contacting a feed stream comprising an alkylatable aromatic, an alkylating agent and trace amounts of water and impurities in the presence of a first catalyst and an alkylation catalyst wherein such water and impurities are removed in order to improve the cycle length of such alkylation catalysts. Water and at least a portion of impurities are removed in a dehydration zone. A reaction zone having a first catalyst which, in some embodiments is a large pore molecular sieve, acts to remove another portion of impurities, such as nitrogenous and other species. An alkylation zone having an alkylation catalyst which, in some embodiments is a medium pore molecular sieve or a MCM-22 family material, acts to remove additional impurities, and to alkylate the alkylatable aromatic compound.Type: GrantFiled: November 8, 2013Date of Patent: November 4, 2014Assignees: ExxonMobil Chemical Patents Inc., Technip Process Technology, Inc.Inventors: Matthew J. Vincent, Vijay Nanda, Maruti Bhandarkar, Brian Maerz, Terry E. Helton
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Publication number: 20140243567Abstract: The present invention provides a process for producing a monoalkylated benzene comprising the step of contacting benzene with an alkylating agent in the presence of a catalyst composition under effective alkylation conditions to form said monoalkylated benzene and polyalkylated benzene, said catalyst composition comprising MCM-56 and a binder, such that the crystal/binder weight ratio in said catalyst composition is from about 20/80 to about 80/20, wherein said polyalkylated benzene comprises dialkylated benzene and trialkylated benzene, and the weight ratio of trialkylated benzene to dialkylated benzene is in the range from about 0.08 to about 0.12.Type: ApplicationFiled: May 2, 2014Publication date: August 28, 2014Inventors: Matthew J. Vincent, Terry E. Helton, Ivy D. Johnson
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Patent number: 8816145Abstract: The present invention provides a process for producing a monoalkylated aromatic compound comprising the step of contacting an alkylatable aromatic compound with an alkylating agent in the presence of a catalyst composition under effective alkylation conditions, said catalyst composition comprising MCM-56 and a binder, such that the crystal/binder weight ratio in the catalyst composition is from above 20/80 to about 80/20.Type: GrantFiled: August 24, 2012Date of Patent: August 26, 2014Assignee: ExxonMobil Chemical Patents Inc.Inventors: Matthew J. Vincent, Terry E. Helton, Ivy D. Johnson
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Publication number: 20140135548Abstract: Disclosed is a process for the production of alkylated aromatics by contacting a feed stream comprising an alkylatable aromatic, an alkylating agent and trace amounts of water and impurities in the presence of a first catalyst and an alkylation catalyst wherein such water and impurities are removed in order to improve the cycle length of such alkylation catalysts. Water and at least a portion of impurities are removed in a dehydration zone. A reaction zone having a first catalyst which, in some embodiments is a large pore molecular sieve, acts to remove another portion of impurities, such as nitrogenous and other species. An alkylation zone having an alkylation catalyst which, in some embodiments is a medium pore molecular sieve or a MCM-22 family material, acts to remove additional impurities, and to alkylate the alkylatable aromatic compound.Type: ApplicationFiled: November 8, 2013Publication date: May 15, 2014Inventors: Matthew J. Vincent, Vijay Nanda, Maruti Bhandarkar, Brian Maerz, Terry E. Helton
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Patent number: 8633342Abstract: In a process for alkylation of an alkylatable aromatic compound to produce a monoalkylated aromatic compound, a first feed stream comprising fresh alkylatable aromatic compound is passed to a first reaction zone which comprises a transalkylation catalyst and which also receives a second feed stream comprising polyalkylated aromatic compounds. The first and second feed streams are contacted with the transalkylation catalyst in the first reaction zone under conditions to transalkylate the polyalkylated aromatic compounds with the alkylatable aromatic compound to produce the desired monoalkylated aromatic compound. A first effluent stream comprising unreacted alkylatable aromatic compound and the monoalkylated aromatic compound is removed from the first reaction zone and passed to a fractionation system to separate the first effluent stream into a first light fraction comprising the unreacted alkylatable aromatic compound and a first heavy fraction comprising the monoalkylated aromatic compound.Type: GrantFiled: September 24, 2009Date of Patent: January 21, 2014Assignee: Badger Licensing LLCInventors: Matthew J. Vincent, Charles Morris Smith
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Patent number: 8629311Abstract: Disclosed is a process for the production of alkylated aromatics by contacting a feed stream comprising an alkylatable aromatic, an alkylating agent and trace amounts of water and impurities in the presence of first and second alkylation catalysts wherein the water and impurities are removed in order to improve the cycle length of such alkylation catalysts. Water and a portion of impurities are removed in a dehydration zone. A first alkylation zone having a first alkylation catalyst which, in some embodiments is a large pore molecular sieve, acts to remove a larger portion of impurities, such as nitrogenous and other species, and to alkylate a smaller portion of the alkylatable aromatic compound. A second alkylation zone, which in some embodiments is a medium pore molecular sieve, acts to remove a smaller portion of impurities, and to alkylate a larger portion of the alkylatable aromatic compound.Type: GrantFiled: March 10, 2010Date of Patent: January 14, 2014Assignees: Stone & Webster, Inc., ExxonMobil Chemical Patents Inc.Inventors: Matthew J. Vincent, Vijay Nanda, Maruti Bhandarkar, Brian Maerz, Terry E. Helton
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Publication number: 20130253246Abstract: The present invention provides a method for selecting an improved catalyst composition comprising a crystalline molecular sieve material having a structure and properties whereby the catalyst composition has at least one active catalytic site with a Mono Alkylation Selectivity Factor (MASF) greater than or equal to 0 kcal/mol±0.5 kcal/mol, and optionally further at least one active catalytic site with an Olefin Oligomerization Suppression Factor (OOSF) greater than or equal to 5 kcal/mol±0.5 kcal/mol. Further, there is provided an improved process for conversion of hydrocarbon feedstock in the presence of said selected catalyst composition.Type: ApplicationFiled: August 4, 2011Publication date: September 26, 2013Applicant: ExxonMobil Chemical Patents Inc.Inventors: Yogesh V. Joshi, Pallassana S. Venkataraman, Terry E. Helton, Charles M. Smith, Jose G. Santiesteban, Matthew J. Vincent
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Publication number: 20130225890Abstract: The present invention provides a process for producing a monoalkylated aromatic compound comprising the step of contacting an alkylatable aromatic compound with an alkylating agent in the presence of a catalyst composition under effective alkylation conditions, said catalyst composition comprising MCM-56 and a binder, such that the crystal/binder weight ratio in the catalyst composition is from above 20/80 to about 80/20.Type: ApplicationFiled: August 24, 2012Publication date: August 29, 2013Inventors: Matthew J. Vincent, Terry E. Helton, Ivy D. Johnson
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Publication number: 20130211164Abstract: The present invention provides an improved process for producing an alkylated aromatic compound from an at least partially untreated alkylatable aromatic compound having catalyst poisons and an alkylating agent, wherein said alkylatable aromatic compound stream is treated to reduce catalyst poisons with a treatment composition having a surface area/surface volume ratio of greater than or equal to 30 in?1 (12 cm?1) in a treatment zone separate from an alkylation reaction zone under treatment conditions including a temperature of from about 30° C. to about 300° C. to form an effluent comprising said treated alkylatable aromatic compound.Type: ApplicationFiled: April 15, 2011Publication date: August 15, 2013Inventors: Matthew J. Vincent, Vijay Nanda, Terry E. Helton
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Publication number: 20130203179Abstract: Disclosed is a method for determining when to replace a guard bed material used to remove one or more catalyst poisons from a feed based on a parameter change in a process. A guard bed having a guard bed material is in fluid communication with a catalyst bed having a catalyst. At least three monitors are positioned in said guard bed or said catalyst bed and at least one parameter of the guard bed or catalyst bed is monitored. A feed component comprising one or more catalyst poisons is supplied to said guard bed or said catalyst bed. The feed is contacted with said guard bed material or said catalyst to remove at least a portion of a catalyst poison and to form a product which produces an increase or a decrease in said parameter. The monitored parameters are compared to determine when to replace the guard bed material.Type: ApplicationFiled: April 8, 2011Publication date: August 8, 2013Inventors: Matthew J. Vincent, David L. Fletcher, Vijay Nanda
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Publication number: 20130197287Abstract: The present invention provides an improved process for producing an alkylated aromatic compound from an at least partially untreated alkylatable aromatic compound having catalyst poisons, wherein said alkylatable aromatic compound stream is treated to reduce catalyst poisons with a treatment composition having a surface area/surface volume ratio of greater than or equal to 30 in?1 (12 cm?1) in a treatment zone separate from an alkylation reaction zone under treatment conditions including a temperature of from about 30° C. to about 300° C. to form an effluent comprising said treated alkylatable aromatic compound.Type: ApplicationFiled: April 15, 2011Publication date: August 1, 2013Inventors: Matthew J. Vincent, Vijay Nanda, Terry E. Helton
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Patent number: 8466333Abstract: This disclosure relates to a process for manufacturing a mono-alkylaromatic compound, said process comprising contacting a feedstock comprising an alkylatable aromatic compound and an alkylating agent under alkylation reaction conditions with a catalyst comprising EMM-12, wherein said EMM-12 is a molecular sieve having, in its as-synthesized form and in calcined form, an X-ray diffraction pattern including peaks having a d-spacing maximum in the range of 14.17 to 12.57 Angstroms, a d-spacing maximum in the range of 12.1 to 12.56 Angstroms, and non-discrete scattering between about 8.85 to 11.05 Angstroms or exhibit a valley in between the peaks having a d-spacing maximum in the range of 10.14 to 12.0 Angstroms and a d-spacing maximum in the range from 8.66 to 10.13 Angstroms with measured intensity corrected for background at the lowest point being not less than 50% of the point at the same XRD d-spacing on the line connecting maxima in the range of 10.14 to 12.0 Angstroms and in the range from 8.66 to 10.Type: GrantFiled: July 15, 2009Date of Patent: June 18, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Terry E. Helton, Matthew J. Vincent