Patents by Inventor Gyanesh P. Khare
Gyanesh P. Khare 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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Patent number: 10183284Abstract: Regenerable aromatization catalysts having high surface area and pore volume, as well as methods for producing these catalysts, are disclosed.Type: GrantFiled: June 7, 2016Date of Patent: January 22, 2019Assignee: Chevron Phillips Chemical Company LPInventor: Gyanesh P. Khare
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Publication number: 20160318008Abstract: Regenerable aromatization catalysts having high surface area and pore volume, as well as methods for producing these catalysts, are disclosed.Type: ApplicationFiled: June 7, 2016Publication date: November 3, 2016Inventor: Gyanesh P. Khare
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Patent number: 9387467Abstract: Regenerable aromatization catalysts having high surface area and pore volume, as well as methods for producing these catalysts, are disclosed.Type: GrantFiled: September 26, 2012Date of Patent: July 12, 2016Assignee: Chevron Phillips Chemical Company LPInventor: Gyanesh P. Khare
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Patent number: 9382175Abstract: A method for removing tightly bound sodium from a zeolitic support comprising contacting the support with a sodium specific removal agent to produce a treated support. A method comprising providing an aromatization catalyst comprising a treated support, and contacting the aromatization catalyst with a hydrocarbon feed in a reaction zone under conditions suitable for the production of an aromatic product. A catalyst support comprising an L-zeolite having less than 0.35 wt. % sodium.Type: GrantFiled: August 28, 2014Date of Patent: July 5, 2016Assignee: Chevron Phillips Chemical Company LPInventor: Gyanesh P. Khare
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Publication number: 20140371500Abstract: A method for removing tightly bound sodium from a zeolitic support comprising contacting the support with a sodium specific removal agent to produce a treated support. A method comprising providing an aromatization catalyst comprising a treated support, and contacting the aromatization catalyst with a hydrocarbon feed in a reaction zone under conditions suitable for the production of an aromatic product. A catalyst support comprising an L-zeolite having less than 0.35 wt. % sodium.Type: ApplicationFiled: August 28, 2014Publication date: December 18, 2014Inventor: Gyanesh P. Khare
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Patent number: 8835341Abstract: A method for removing tightly bound sodium from a zeolitic support comprising contacting the support with a sodium specific removal agent to produce a treated support. A method comprising providing an aromatization catalyst comprising a treated support, and contacting the aromatization catalyst with a hydrocarbon feed in a reaction zone under conditions suitable for the production of an aromatic product. A catalyst support comprising an L-zeolite having less than 0.35 wt. % sodium.Type: GrantFiled: September 7, 2011Date of Patent: September 16, 2014Assignee: Chevron Phillips Chemical Company LPInventor: Gyanesh P. Khare
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Publication number: 20140088333Abstract: Regenerable aromatization catalysts having high surface area and pore volume, as well as methods for producing these catalysts, are disclosed.Type: ApplicationFiled: September 26, 2012Publication date: March 27, 2014Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventor: Gyanesh P. Khare
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Patent number: 8569555Abstract: A hydrocarbon aromatization process comprising adding a nitrogenate, an oxygenate, or both to a hydrocarbon stream to produce an enhanced hydrocarbon stream, and contacting the enhanced hydrocarbon stream with an aromatization catalyst, thereby producing an aromatization reactor effluent comprising aromatic hydrocarbons, wherein the catalyst comprises a non-acidic zeolite support, a group VIII metal, and one or more halides. Also disclosed is a hydrocarbon aromatization process comprising monitoring the presence of an oxygenate, a nitrogenate, or both in an aromatization reactor, monitoring at least one process parameter that indicates the activity of the aromatization catalyst, modifying the amount of the oxygenate, the nitrogenate, or both in the aromatization reactor, thereby affecting the parameter.Type: GrantFiled: April 1, 2011Date of Patent: October 29, 2013Assignee: Chevron Phillips Chemical Company LPInventors: Christopher D. Blessing, Scott H. Brown, Tin-Tack Peter Cheung, David J. Glova, Daniel M. Hasenberg, Dennis L. Holtermann, Gyanesh P. Khare, Daniel B. Knorr, Jr.
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Patent number: 8461404Abstract: A prolongated silica bound zeolite support comprising from about 85 wt % to about 95 wt % zeolite. A catalyst composition comprising a prolongated silica bound zeolite supporting at least one Group VIII metal and at least one halide. A process of making a prolongated silica bound zeolite support comprising mixing a zeolite, a prolongated silica, and water to form a mixture, and shaping the mixture into the prolongated silica bound zeolite support. A process of making a prolongated silica bound zeolite catalyst comprising mixing a zeolite, a prolongated silica, and water to form a mixture, shaping the mixture into a prolongated silica bound zeolite support, and adding one or more catalytic compounds to the prolongated silica bound zeolite support to form the prolongated silica bound zeolite catalyst.Type: GrantFiled: February 16, 2011Date of Patent: June 11, 2013Assignee: Chevron Phillips Chemical Company LPInventor: Gyanesh P. Khare
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Publication number: 20130060072Abstract: A method for removing tightly bound sodium from a zeolitic support comprising contacting the support with a sodium specific removal agent to produce a treated support. A method comprising providing an aromatization catalyst comprising a treated support, and contacting the aromatization catalyst with a hydrocarbon feed in a reaction zone under conditions suitable for the production of an aromatic product. A catalyst support comprising an L-zeolite having less than 0.35 wt. % sodium.Type: ApplicationFiled: September 7, 2011Publication date: March 7, 2013Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventor: Gyanesh P. Khare
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Publication number: 20130035530Abstract: A method of preparing a catalyst comprising selecting a zeolite having a mean particle size of equal to or less than about 6 microns, blending the zeolite with a binder and water to form a paste, shaping the paste into a bound zeolite support, adding a metal to the bound zeolite support to form a metalized catalyst support, and adding at least one halide to the metalized catalyst support to form the catalyst. A catalytic reforming process for converting hydrocarbons to aromatics comprising: contacting a catalyst comprising a silica bound zeolite, a Group VIII metal supported thereby, and at least one halide with a hydrocarbon feed in a reaction zone, wherein the silica bound zeolite comprises a zeolite having a mean particle size of equal to or less than about 6 microns and a median particle size of equal to or less than about 5 microns.Type: ApplicationFiled: August 9, 2012Publication date: February 7, 2013Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventor: Gyanesh P. KHARE
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Patent number: 8362310Abstract: A hydrocarbon aromatization process comprising adding a nitrogenate, an oxygenate, or both to a hydrocarbon stream to produce an enhanced hydrocarbon stream, and contacting the enhanced hydrocarbon stream with an aromatization catalyst, thereby producing an aromatization reactor effluent comprising aromatic hydrocarbons, wherein the catalyst comprises a non-acidic zeolite support, a group VIII metal, and one or more halides. Also disclosed is a hydrocarbon aromatization process comprising monitoring the presence of an oxygenate, a nitrogenate, or both in an aromatization reactor, monitoring at least one process parameter that indicates the activity of the aromatization catalyst, modifying the amount of the oxygenate, the nitrogenate, or both in the aromatization reactor, thereby affecting the parameter.Type: GrantFiled: April 1, 2011Date of Patent: January 29, 2013Assignee: Chevron Phillips Chemical Company LPInventors: Christopher D. Blessing, Scott H. Brown, Tin-Tack Peter Cheung, David J. Glova, Daniel M. Hasenberg, Dennis L. Holtermann, Gyanesh P. Khare, Daniel B. Knorr, Jr.
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Patent number: 8263518Abstract: A method of preparing a catalyst comprising selecting a zeolite having a mean particle size of equal to or less than about 6 microns, blending the zeolite with a binder and water to form a paste, shaping the paste into a bound zeolite support, adding a metal to the bound zeolite support to form a metalized catalyst support, and adding at least one halide to the metalized catalyst support to form the catalyst. A catalytic reforming process for converting hydrocarbons to aromatics comprising: contacting a catalyst comprising a silica bound zeolite, a Group VIII metal supported thereby, and at least one halide with a hydrocarbon feed in a reaction zone under reforming conditions and recovering aromatics from the reaction zone, wherein the silica bound zeolite comprises a zeolite having a mean particle size of equal to or less than about 6 microns and a median particle size of equal to or less than about 5 microns.Type: GrantFiled: December 13, 2007Date of Patent: September 11, 2012Assignee: Chevron Phillips Chemical Company LPInventor: Gyanesh P. Khare
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Publication number: 20110190559Abstract: A hydrocarbon aromatization process comprising adding a nitrogenate, an oxygenate, or both to a hydrocarbon stream to produce an enhanced hydrocarbon stream, and contacting the enhanced hydrocarbon stream with an aromatization catalyst, thereby producing an aromatization reactor effluent comprising aromatic hydrocarbons, wherein the catalyst comprises a non-acidic zeolite support, a group VIII metal, and one or more halides. Also disclosed is a hydrocarbon aromatization process comprising monitoring the presence of an oxygenate, a nitrogenate, or both in an aromatization reactor, monitoring at least one process parameter that indicates the activity of the aromatization catalyst, modifying the amount of the oxygenate, the nitrogenate, or both in the aromatization reactor, thereby affecting the parameter.Type: ApplicationFiled: April 1, 2011Publication date: August 4, 2011Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventors: Christopher D. BLESSING, Scott H. BROWN, Tin-Tack Peter CHEUNG, David J. GLOVA, Daniel M. HASENBERG, Dennis L. HOLTERMANN, Gyanesh P. KHARE, Daniel B. KNORR, JR.
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Publication number: 20110184217Abstract: A hydrocarbon aromatization process comprising adding a nitrogenate, an oxygenate, or both to a hydrocarbon stream to produce an enhanced hydrocarbon stream, and contacting the enhanced hydrocarbon stream with an aromatization catalyst, thereby producing an aromatization reactor effluent comprising aromatic hydrocarbons, wherein the catalyst comprises a non-acidic zeolite support, a group VIII metal, and one or more halides. Also disclosed is a hydrocarbon aromatization process comprising monitoring the presence of an oxygenate, a nitrogenate, or both in an aromatization reactor, monitoring at least one process parameter that indicates the activity of the aromatization catalyst, modifying the amount of the oxygenate, the nitrogenate, or both in the aromatization reactor, thereby affecting the parameter.Type: ApplicationFiled: April 1, 2011Publication date: July 28, 2011Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventors: Christopher D. BLESSING, Scott H. BROWN, Tin-Tack Peter CHEUNG, David J. GLOVA, Daniel M. HASENBERG, Dennis L. HOLTERMANN, Gyanesh P. KHARE, Daniel B. KNORR, JR.
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Publication number: 20110137092Abstract: A prolongated silica bound zeolite support comprising from about 85 wt % to about 95 wt % zeolite. A catalyst composition comprising a prolongated silica bound zeolite supporting at least one Group VIII metal and at least one halide. A process of making a prolongated silica bound zeolite support comprising mixing a zeolite, a prolongated silica, and water to form a mixture, and shaping the mixture into the prolongated silica bound zeolite support. A process of making a prolongated silica bound zeolite catalyst comprising mixing a zeolite, a prolongated silica, and water to form a mixture, shaping the mixture into a prolongated silica bound zeolite support, and adding one or more catalytic compounds to the prolongated silica bound zeolite support to form the prolongated silica bound zeolite catalyst.Type: ApplicationFiled: February 16, 2011Publication date: June 9, 2011Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventor: Gyanesh P. Khare
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Patent number: 7932425Abstract: A hydrocarbon aromatization process comprising adding a nitrogenate, an oxygenate, or both to a hydrocarbon stream to produce an enhanced hydrocarbon stream, and contacting the enhanced hydrocarbon stream with an aromatization catalyst, thereby producing an aromatization reactor effluent comprising aromatic hydrocarbons, wherein the catalyst comprises a non-acidic zeolite support, a group VIII metal, and one or more halides. Also disclosed is a hydrocarbon aromatization process comprising monitoring the presence of an oxygenate, a nitrogenate, or both in an aromatization reactor, monitoring at least one process parameter that indicates the activity of the aromatization catalyst, modifying the amount of the oxygenate, the nitrogenate, or both in the aromatization reactor, thereby affecting the parameter.Type: GrantFiled: July 20, 2007Date of Patent: April 26, 2011Assignee: Chevron Phillips Chemical Company LPInventors: Christopher D. Blessing, Scott H. Brown, Tin-Tack Peter Cheung, David J. Glova, Daniel M. Hasenberg, Dennis L. Holtermann, Gyanesh P. Khare, Daniel B. Knorr, Jr.
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Patent number: 7902105Abstract: A prolongated silica bound zeolite support comprising from about 85 wt % to about 95 wt % zeolite. A catalyst composition comprising a prolongated silica bound zeolite supporting at least one Group VIII metal and at least one halide. A process of making a prolongated silica bound zeolite support comprising mixing a zeolite, a prolongated silica, and water to form a mixture, and shaping the mixture into the prolongated silica bound zeolite support. A process of making a prolongated silica bound zeolite catalyst comprising mixing a zeolite, a prolongated silica, and water to form a mixture, shaping the mixture into a prolongated silica bound zeolite support, and adding one or more catalytic compounds to the prolongated silica bound zeolite support to form the prolongated silica bound zeolite catalyst.Type: GrantFiled: October 11, 2007Date of Patent: March 8, 2011Assignee: Chevron Phillips Chemical Company LPInventor: Gyanesh P. Khare
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Publication number: 20090156871Abstract: A method of preparing a catalyst comprising selecting a zeolite having a mean particle size of equal to or less than about 6 microns, blending the zeolite with a binder and water to form a paste, shaping the paste into a bound zeolite support, adding a metal to the bound zeolite support to form a metalized catalyst support, and adding at least one halide to the metalized catalyst support to form the catalyst. A catalytic reforming process for converting hydrocarbons to aromatics comprising: contacting a catalyst comprising a silica bound zeolite, a Group VIII metal supported thereby, and at least one halide with a hydrocarbon feed in a reaction zone under reforming conditions and recovering aromatics from the reaction zone, wherein the silica bound zeolite comprises a zeolite having a mean particle size of equal to or less than about 6 microns and a median particle size of equal to or less than about 5 microns.Type: ApplicationFiled: December 13, 2007Publication date: June 18, 2009Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventor: Gyanesh P. Khare
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Publication number: 20090099007Abstract: A prolongated silica bound zeolite support comprising from about 85 wt % to about 95 wt % zeolite. A catalyst composition comprising a prolongated silica bound zeolite supporting at least one Group VIII metal and at least one halide. A process of making a prolongated silica bound zeolite support comprising mixing a zeolite, a prolongated silica, and water to form a mixture, and shaping the mixture into the prolongated silica bound zeolite support. A process of making a prolongated silica bound zeolite catalyst comprising mixing a zeolite, a prolongated silica, and water to form a mixture, shaping the mixture into a prolongated silica bound zeolite support, and adding one or more catalytic compounds to the prolongated silica bound zeolite support to form the prolongated silica bound zeolite catalyst.Type: ApplicationFiled: October 11, 2007Publication date: April 16, 2009Inventor: Gyanesh P. Khare