Patents by Inventor Amit Gokhale
Amit Gokhale 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: 20200239801Abstract: In some embodiments, a compound has the formula (I) where: R1 and R2 are alkyl or, together with the carbon atom to which they are attached, cycloalkyl; R3, R4 and R5 are H or alkyl (formula II); R6 is alkyl or where: R7 and R8 are H, alkyl or, together with the carbon atom to which they are attached, cycloalkyl; R9 is H or alkyl; X is alkylene or is absent; and p is 0, 1, 2 or 3; and m and n are 0, 1, 2 or 3 provided that m is 0 when R4 and R5 are H. The compound is suitable for use as a base stock which provides low volatility for a given viscosity profile. The compound may be used in a lubricant composition for an internal combustion engine.Type: ApplicationFiled: April 17, 2020Publication date: July 30, 2020Inventors: Gordon LAMB, Amit GOKHALE, John Philip DAVIES, John REDSHAW, Peter SEDEN, Kevin WEST
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Patent number: 10669499Abstract: In some embodiments, a compound has the formula (I) where: R1 and R2 are alkyl or, together with the carbon atom to which they are attached, cycloalkyl; R3, R4 and R5 are H or alkyl (formula II); R6 is alkyl or where: R7 and R8 are H, alkyl or, together with the carbon atom to which they are attached, cycloalkyl; R9 is H or alkyl; X is alkylene or is absent; and p is 0, 1, 2 or 3; and m and n are 0, 1, 2 or 3 provided that m is 0 when R4 and R5 are H. The compound is suitable for use as a base stock which provides low volatility for a given viscosity profile. The compound may be used in a lubricant composition for an internal combustion engine.Type: GrantFiled: June 17, 2016Date of Patent: June 2, 2020Inventors: Gordon Lamb, Amit Gokhale, John Philip Davies, John Redshaw, Peter Seden, Kevin West
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Patent number: 10618856Abstract: Provided herein are methods for producing cyclic and acyclic ketones from trimerization and dimerization of alkyl ketones, including for example methyl ketones. Such cyclic and acyclic ketones may be suitable for use as fuel and lubricant precursors, and may be hydrodeoxygenated to form their corresponding cycloalkanes and alkanes. Such cycloalkanes and alkanes may be suitable for use as fuels, including jet fuels, and lubricants.Type: GrantFiled: December 18, 2018Date of Patent: April 14, 2020Assignees: The Regents of the University of California, BP Corporation North America Inc.Inventors: Sanil Sreekumar, F. Dean Toste, Amit A. Gokhale, Gorkem Gunbas, Balakrishnan Madhesan, Alexis T. Bell, Eric Sacia, George E. Arab
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Publication number: 20190127292Abstract: Provided herein are methods for producing cyclic and acyclic ketones from trimerization and dimerization of alkyl ketones, including for example methyl ketones. Such cyclic and acyclic ketones may be suitable for use as fuel and lubricant precursors, and may be hydrodeoxygenated to form their corresponding cycloalkanes and alkanes. Such cycloalkanes and alkanes may be suitable for use as fuels, including jet fuels, and lubricants.Type: ApplicationFiled: December 18, 2018Publication date: May 2, 2019Applicants: The Regents of the University of California, BP Corporation North America Inc.Inventors: Sanil SREEKUMAR, F. Dean TOSTE, Amit A. GOKHALE, Gorkem GUNBAS, Balakrishnan MADHESAN, Alexis T. BELL, Eric SACIA, George E. ARAB
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Patent number: 10207961Abstract: Provided herein are methods for producing cyclic and acyclic ketones from trimerization and dimerization of alkyl ketones, including for example methyl ketones. Such cyclic and acyclic ketones may be suitable for use as fuel and lubricant precursors, and may be hydrodeoxygenated to form their corresponding cycloalkanes and alkanes. Such cycloalkanes and alkanes may be suitable for use as fuels, including jet fuels, and lubricants.Type: GrantFiled: March 23, 2015Date of Patent: February 19, 2019Assignees: The Regents of the University of California, BP Corporation North America Inc.Inventors: Sanil Sreekumar, F. Dean Toste, Amit A. Gokhale, Gorkem Gunbas, Balakrishnan Madhesan, Alexis T. Bell, Eric Sacia, George E. Arab
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Patent number: 10138193Abstract: Provided herein are methods for producing ?,?-unsaturated ketones from the condensation of methyl ketones in the presence of an amine catalyst. Such amine catalysts may be supported, for example, on a silica-alumina support. Such amine catalysts may be used in the presence of an additional acid. The ?,?-unsaturated ketones may be produced by dimerization and/or timerization of the methyl ketones. Such ?,?-unsaturated ketones may be suitable for use in producing fuels, gasoline additives, and/or lubricants, or precursors thereof. The methyl ketones may be obtained from renewable sources, such as by the fermentation of biomass.Type: GrantFiled: October 28, 2015Date of Patent: November 27, 2018Assignees: The Regents of the University of California, BP Corporation North America Inc.Inventors: Shylesh Sankaranarayanapillai, Sanil Sreekumar, F. Dean Toste, Alexis T. Bell, Amit A. Gokhale, Adam Grippo, George E. Arab
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Patent number: 10106480Abstract: Provided herein are methods for producing ketone(s) from the condensation of methyl ketone(s) and alcohol(s) in the presence of an amine catalyst and a metal catalyst. Such amine catalysts may be supported, for example, on a silica-alumina support. Such ketones may be suitable for use in producing fuels, gasoline additives, and/or lubricants, or precursors thereof. The methyl ketone(s) and/or alcohol(s) may be obtained from renewable sources, such as by fermentation of biomass.Type: GrantFiled: October 28, 2015Date of Patent: October 23, 2018Assignees: The Regents of the University of California, BP Corporation North America Inc.Inventors: Shylesh Sankaranarayanapillai, Sanil Sreekumar, F. Dean Toste, Alexis T. Bell, Amit A. Gokhale, Adam Grippo
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Publication number: 20180170824Abstract: Provided herein are methods for producing cyclic and acyclic ketones from trimerization and dimerization of alkyl ketones, including for example methyl ketones. Such cyclic and acyclic ketones may be suitable for use as fuel and lubricant precursors, and may be hydrodeoxygenated to form their corresponding cycloalkanes and alkanes. Such cycloalkanes and alkanes may be suitable for use as fuels, including jet fuels, and lubricants.Type: ApplicationFiled: March 23, 2015Publication date: June 21, 2018Applicants: The Regents of the University of California, BP Corporation North America Inc.Inventors: Sanil SREEKUMAR, F. Dean TOSTE, Amit A. GOKHALE, Gorkem GUNBAS, Balakrishnan MADHESAN, Alexis T. BELL, Eric SACIA, George E. ARAB
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Publication number: 20180163150Abstract: In some embodiments, a compound has the formula (I) where: R1 and R2 are alkyl or, together with the carbon atom to which they are attached, cycloalkyl; R3, R4 and R5 are H or alkyl (formula II); R6 is alkyl or where: R7 and R8 are H, alkyl or, together with the carbon atom to which they are attached, cycloalkyl; R9 is H or alkyl; X is alkylene or is absent; and p is 0, 1, 2 or 3; and m and n are 0, 1, 2 or 3 provided that m is 0 when R4 and R5 are H. The compound is suitable for use as a base stock which provides low volatility for a given viscosity profile. The compound may be used in a lubricant composition for an internal combustion engine.Type: ApplicationFiled: June 17, 2016Publication date: June 14, 2018Inventors: Gordon LAMB, Amit GOKHALE, John Philip DAVIES, John REDSHAW, Peter SEDEN, Kevin WEST
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Publication number: 20170334823Abstract: Provided herein are methods for producing ketone(s) from the condensation of methyl ketone(s) and alcohol(s) in the presence of an amine catalyst and a metal catalyst. Such amine catalysts may be supported, for example, on a silica-alumina support. Such ketones may be suitable for use in producing fuels, gasoline additives, and/or lubricants, or precursors thereof. The methyl ketone(s) and/or alcohol(s) may be obtained from renewable sources, such as by fermentation of biomass.Type: ApplicationFiled: October 28, 2015Publication date: November 23, 2017Applicants: The Regents of the University of California, BP Corporation North America Inc.Inventors: Shylesh SANKARANARAYANAPILLAI, Sanil SREEKUMAR, F. Dean TOSTE, Alexis T. BELL, Amit A. GOKHALE, Adam GRIPPO
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Publication number: 20170327448Abstract: Provided herein are methods for producing ?,?-unsaturated ketones from the condensation of methyl ketones in the presence of an amine catalyst. Such amine catalysts may be supported, for example, on a silica-alumina support. Such amine catalysts may be used in the presence of an additional acid. The ?,?-unsaturated ketones may be produced by dimerization and/or timerization of the methyl ketones. Such ?,?-unsaturated ketones may be suitable for use in producing fuels, gasoline additives, and/or lubricants, or precursors thereof. The methyl ketones may be obtained from renewable sources, such as by the fermentation of biomass.Type: ApplicationFiled: October 28, 2015Publication date: November 16, 2017Applicants: The Regents of the University of California, BP Corporation North America Inc.Inventors: Shylesh SANKARANARAYANAPILLAI, Sanil SREEKUMAR, F. Dean TOSTE, Alexis T. BELL, Amit A. GOKHALE, Adam GRIPPO, George E. ARAB
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Patent number: 9790444Abstract: The present disclosure generally relates to the catalytic conversion of alcohols into hydrocarbon ketones suitable for use as fuels. More specifically, the present disclosure relates to the catalytic conversion of a mixture of isopropanol-butanol-ethanol (IBE) or acetone-butanol-ethanol (ABE), into ketones suitable for use as fuels. The ABE or IBE mixtures may be obtained from the fermentation of biomass or sugars.Type: GrantFiled: April 25, 2014Date of Patent: October 17, 2017Assignees: The Regents of the University of California, BP Corporation North America Inc.Inventors: Zachary C. Baer, Harvey W. Blanch, Douglas S. Clark, Sanil Sreekumar, F. Dean Toste, Gorkem Gunbas, Konstantinos A. Goulas, Amit A. Gokhale, Joseph B. Binder
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Patent number: 9738617Abstract: The present disclosure generally relates to the production of fuels, gasoline additives, and/or lubricants, and precursors thereof. The compounds used to produce the fuels, gasoline additives, and/or lubricants, and precursors thereof may be derived from biomass. The fuels, gasoline additives, and/or lubricants, and precursors thereof may be produced by a combination of intermolecular and/or intramolecular aldol condensation reactions, Guerbet reactions, hydrogenation reactions, and/or oligomerization reactions.Type: GrantFiled: June 3, 2014Date of Patent: August 22, 2017Assignees: The Regents of the University of California, BP Corporation North America Inc.Inventors: Eric Sacia, Anbarasan Pazhamalai, Balakrishnan Madhesan, Sanil Sreekumar, F. Dean Toste, Amit A. Gokhale, Martin E. Carrera, Alexis T. Bell, Gorkem Gunbas
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Publication number: 20160152907Abstract: The present disclosure generally relates to the catalytic conversion of alcohols into hydrocarbon ketones suitable for use as fuels. More specifically, the present disclosure relates to the catalytic conversion of a mixture of isopropanol-butanol-ethanol (IBE) or acetone-butanol-ethanol (ABE), into ketones suitable for use as fuels. The ABE or IBE mixtures may be obtained from the fermentation of biomass or sugars.Type: ApplicationFiled: April 25, 2014Publication date: June 2, 2016Applicants: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, BP CORPORATION NORTH AMERICA INC.Inventors: Zachary C. BAER, Harvey W. BLANCH, Douglas S. CLARK, Sanil SREEKUMAR, F. Dean TOSTE, Gorkem GUNBAS, Konstantinos A. GOULAS, Amit A. GOKHALE, Joseph B. BINDER
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Publication number: 20160115143Abstract: The present disclosure generally relates to the production of fuels, gasoline additives, and/or lubricants, and precursors thereof. The compounds used to produce the fuels, gasoline additives, and/or lubricants, and precursors thereof may be derived from biomass. The fuels, gasoline additives, and/or lubricants, and precursors thereof may be produced by a combination of intermolecular and/or intramolecular aldol condensation reactions, Guerbet reactions, hydrogenation reactions, and/or oligomerization reactions.Type: ApplicationFiled: June 3, 2014Publication date: April 28, 2016Applicants: The Regents of the University of California, BP Corporation North America Inc.Inventors: Eric SACIA, Anbarasan PAZHAMALAI, Balakrishnan MADHESAN, Sanil SREEKUMAR, F. Dean TOSTE, Amit A. GOKHALE, Martin E. CARRERA, Alexis T. BELL, Gorkem GUNBAS
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Publication number: 20150191686Abstract: Methods of producing renewable materials may include consuming a fermentation feedstock with a fermentation organism to produce a renewable material in fermentation broth; water may then be separated from the feedstock or broth using one or more phase separations, or the renewable material may be concentrated from the feedstock or broth using one or more phase separations. Methods of producing biofuel components may include consuming a lignocellulosic or sugar fermentation feedstock with a fermentation organism to produce either ethanol or butanol in fermentation broth; cooling the feedstock or broth to solidify at least some water therein; and separating the solidified water from the feedstock or broth using a solid-liquid phase separation.Type: ApplicationFiled: January 15, 2015Publication date: July 9, 2015Applicant: BP Corporation North America Inc.Inventors: Glen Austin, Binita Bhattacharjee, Leslie Bolton, Jacob Borden, Martin Carrera, Amit Gokhale, Chris Horler, Aidan Hurley, Eric Mack
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Patent number: 8969050Abstract: Methods of producing renewable materials may include consuming a fermentation feedstock with a fermentation organism to produce a renewable material in fermentation broth; water may then be separated from the feedstock or broth using one or more phase separations, or the renewable material may be concentrated from the feedstock or broth using one or more phase separations. Methods of producing biofuel components may include consuming a lignocellulosic or sugar fermentation feedstock with a fermentation organism to produce either ethanol or butanol in fermentation broth; cooling the feedstock or broth to solidify at least some water therein; and separating the solidified water from the feedstock or broth using a solid-liquid phase separation.Type: GrantFiled: November 21, 2012Date of Patent: March 3, 2015Assignee: BP Corporation North America Inc.Inventors: Glen Austin, Binita X. Bhattacharjee, Leslie W. Bolton, Jacob Borden, Martin E. Carrera, Amit A. Gokhale, Chris Horler, Aidan Hurley, Eric T. Mack
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Patent number: 8835660Abstract: The invention provides a method to extract organic compounds from aqueous mixtures, using a specially selected organic compound as an extraction liquid. The method can be applied to remove compounds such as acetic acid or ethanol from complex aqueous mixtures, including fermentation reactions or broths, and can be used for in situ extraction of products or by-products from a fermentation reaction. Some suitable extraction liquids for use in these methods include diethylene glycol dibutyl ether, tripropionin, and di(ethylene glycol) diisobutyl ether.Type: GrantFiled: August 22, 2011Date of Patent: September 16, 2014Assignees: The Regents of the University of California, BP Corporation North America Inc.Inventors: Amit A. Gokhale, Sasisanker Padmanabhan, Christopher Roberge
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Publication number: 20130281720Abstract: The invention provides a method to extract organic compounds from aqueous mixtures, using a specially selected organic compound as an extraction liquid. The method can be applied to remove compounds such as acetic acid or ethanol from complex aqueous mixtures, including fermentation reactions or broths, and can be used for in situ extraction of products or by-products from a fermentation reaction. Some suitable extraction liquids for use in these methods include diethylene glycol dibutyl ether, tripropionin, and di(ethylene glycol) diisobutyl ether.Type: ApplicationFiled: August 22, 2011Publication date: October 24, 2013Applicants: BP CORPORATION NORTH AMERICA INC, THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Amit A. Gokhale, Sasisanker Padmanabhan, Christopher Roberge
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Publication number: 20130130335Abstract: Methods of producing renewable materials may include consuming a fermentation feedstock with a fermentation organism to produce a renewable material in fermentation broth; water may then be separated from the feedstock or broth using one or more phase separations, or the renewable material may be concentrated from the feedstock or broth using one or more phase separations. Methods of producing biofuel components may include consuming a lignocellulosic or sugar fermentation feedstock with a fermentation organism to produce either ethanol or butanol in fermentation broth; cooling the feedstock or broth to solidify at least some water therein; and separating the solidified water from the feedstock or broth using a solid-liquid phase separation.Type: ApplicationFiled: November 21, 2012Publication date: May 23, 2013Applicant: BP Corporation North America Inc.Inventors: Glen Austin, Binita X. Bhattacharjee, Leslie W. Bolton, Jacob Borden, Martin E. Carrera, Amit A. Gokhale, Chris Horler, Aidan Hurley, Eric T. Mack