Patents by Inventor Sukrit Mukhopadhyay
Sukrit Mukhopadhyay 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: 11993675Abstract: A method of producing a polyether alcohol that includes feeding an initiator into a reactor, feeding one or more monomers into the reactor, feeding a polymerization catalyst into the reactor, the polymerization catalyst being a Lewis acid catalyst having a general formula M(R1)1(R2)1(R3)1(R4)0 or 1, separate from feeding the initiator into the reactor, feeding a hydrogen bond acceptor additive into the reactor, the hydrogen bond acceptor additive being a C2 to C20 organic molecule having at least two hydroxyl groups, of which two hydroxyl groups are situated in 1,2-, 1,3-, or 1,4-positions on the organic molecule, and allowing the initiator to react with the one or more monomers in the presence of the polymerization catalyst and the hydrogen bond acceptor additive to form a polyether alcohol having a number average molecular weight greater than a number average molecular weight of the initiator.Type: GrantFiled: February 14, 2020Date of Patent: May 28, 2024Assignees: Dow Global Technologies LLC, Northwestern UniversityInventors: Mihir Bhagat, Charmaine Bennett, Youlong Zhu, SonBinh T. Nguyen, Linda Broadbelt, Justin M. Notestein, Matthew E. Belowich, Arjun Raghuraman, William H. Heath, Sukrit Mukhopadhyay, Heather A. Spinney, David R. Wilson
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Publication number: 20240158542Abstract: Catalyst systems comprising one or more metal-ligand complexes according to formula (I).Type: ApplicationFiled: February 25, 2022Publication date: May 16, 2024Applicant: Dow Global Technologies LLCInventors: Robert David Grigg, Brad C. Bailey, James A. Walker, Sukrit Mukhopadhyay
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Patent number: 11970574Abstract: A method of producing an alcohol ethoxylate surfactant or lubricant, the method including reacting a low molecular weight initiator with ethylene oxide in the presence of a polymerization catalyst, the low molecular weight initiator having a nominal hydroxyl functionality at least 1, and the polymerization catalyst being a Lewis acid catalyst having the general formula M(R1)I(R2)I(R3)I(R4)0 or 1, whereas M is boron, aluminum, indium, bismuth or erbium, R1, R2, R3, and R4 are each independent, R1 includes a first fluoroalkyl-substituted phenyl group, R2 includes a second fluoroalkyl-substituted phenyl group or a first fluoro/chloro-substituted phenyl group, R3 includes a third fluoroalkyl-substituted phenyl group or a second fluoro/chloro-substituted phenyl group, and optional R4 includes a functional group or functional polymer group, R1 being different from at least one of R2 and R3.Type: GrantFiled: September 14, 2018Date of Patent: April 30, 2024Assignee: Dow Global Technologies LLCInventors: Arjun Raghuraman, William H. Heath, Bruce D. Hook, Wanglin Yu, Sukrit Mukhopadhyay, Heather A. Spinney, David R. Wilson
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Patent number: 11958936Abstract: A method of producing a polyether polyol includes reacting a low molecular weight initiator with one or more monomers in the presence of a polymerization catalyst, and the low molecular weight initiator has a nominal hydroxyl functionality of at least 2. The one or more monomers includes at least one selected from propylene oxide and butylene oxide. The polymerization catalyst is a Lewis acid catalyst having the general formula M(R1)1(R2)1(R3)1(R4)0 or 1, whereas M is boron, aluminum, indium, bismuth or erbium, R1, R2, R3, and R4 are each independent, R1 includes a fluoroalkyl-substituted phenyl group, R2 incudes a fluoroalkyl-substituted phenyl group or a fluoro/chloro-substituted phenyl group, R3 includes a fluoroalkyl-substituted phenyl group or a fluoro/chloro-substituted phenyl group, and optional R4 includes a functional group or functional polymer group, R1 being different from at least one of R2 and R3.Type: GrantFiled: September 14, 2018Date of Patent: April 16, 2024Assignee: Dow Global Technologies LLCInventors: Arjun Raghuraman, William H. Heath, Sukrit Mukhopadhyay, Heather A. Spinney, David R. Wilson, Anthony P. Gies, Manjiri R. Paradkar
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Patent number: 11912822Abstract: A method of producing a polyether polyol includes reacting a low molecular weight initiator with ethylene oxide in the presence of a polymerization catalyst, and the low molecular weight initiator has a nominal hydroxyl functionality at least 2. The polymerization catalyst is a Lewis acid catalyst having the general formula M(R1)1(R2)1(R3)1(R4)0 or 1, whereas M is boron, aluminum, indium, bismuth or erbium, R1, R2, R3, and R4 are each independent, R1 includes a fluoroalkyl-substituted phenyl group, R2 incudes a fluoroalkyl-substituted phenyl group or a fluoro/chloro-substituted phenyl group, R3 includes a fluoroalkyl-substituted phenyl group or a fluoro/chloro-substituted phenyl group, and optional R4 includes a functional group or functional polymer group, R1 being different from at least one of R2 and R3.Type: GrantFiled: September 14, 2018Date of Patent: February 27, 2024Assignee: Dow Global Technologies LLCInventors: Arjun Raghuraman, William H. Heath, Sukrit Mukhopadhyay, Heather A. Spinney, David R. Wilson
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Patent number: 11837333Abstract: Methods include generating a hypothetical formulation library of chemical formulations, including generating hypothetical formulations by one or more of: (a) directed combinatorics including: selecting starter formulations from historical data; performing substitution of one or more formulation components in at least one component class; and assigning concentration ratios within ranges established by the historical data; and (2) constrained randomization including: preparing template formulations including one or more component classes based on historical data; performing randomized substitution of formulation components in each of the component classes of the template formulations; randomly assign concentration ratios to the formulation components within ranges established by one or more constraints to produce hypothetical formulations; create descriptors for the hypothetical formulations; compare descriptor outputs from the hypothetical formulations with the range of descriptor outputs from the historical dType: GrantFiled: December 20, 2022Date of Patent: December 5, 2023Assignee: Dow Global Technologies LLCInventors: Bo Shuang, Sukrit Mukhopadhyay, Fabio Aguirre Vargas
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Publication number: 20230382929Abstract: Embodiments are directed to a metal-ligand complex of formula (I). In addition, a polymerization process includes polymerizing at least one olefin in the presence of a catalyst system comprising the metal-ligand complex and at least one activator to produce an olefinic polymer.Type: ApplicationFiled: October 13, 2021Publication date: November 30, 2023Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Sanil Sreekumar, Brad C. Bailey, Arvind Jaganathan, James J. Henkelis, Matthew D. Christianson, Sukrit Mukhopadhyay, James A. Walker, Jordan C. Reddel
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Publication number: 20230337651Abstract: A device, system, and method of controlling pests are disclosed. A pest control device includes a sensor having a sensor cell and a controller. A surface of the sensor cell is coated with an agent that reacts with a targeted biochemical analyte secreted by pests. The controller is coupled to the sensor and is configured to receive sensor data from the sensor cell indicative of a rate of change in sensor mass detected on the surface of the sensor cell, determine whether the rate of change in the sensor mass based on the received sensor data exceeds a predefined threshold rate, and transmit a pest detection alert notification to a server in response to a determination that the rate of change exceeds the predetermined threshold rate.Type: ApplicationFiled: May 26, 2023Publication date: October 26, 2023Inventors: Mark W. Beach, Andrey N. Soukhojak, Neil A. Spomer, Shane L. Mangold, Ravi B. Shankar, Sukrit Mukhopadhyay, Jeremy Chris P. Reyes, Bruce A. Jacobs, William L. Winniford, Ronda L. Hamm, Phillip J. Howard, Andrew J. Pasztor, Mary D. Evenson, Thomas G. Patterson, Natalie C. Giampietro
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Publication number: 20230265264Abstract: A crosslinkable polyolefin formulation comprises (A) a polyethylene polymer and (B) an arylketone of formula (I) as defined herein; products made therefrom; methods of making and using same; and articles containing same.Type: ApplicationFiled: October 25, 2021Publication date: August 24, 2023Inventors: Xindi Yu, Paul M. Mwasame, Decai Yu, Sukrit Mukhopadhyay, Yuanqiao Rao, Timothy J. Person, Dachao Li, Junsi Gu, Jeffrey M. Cogen
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Patent number: 11716983Abstract: A device, system, and method of controlling pests are disclosed. A pest control device includes a sensor having a sensor cell and a controller. A surface of the sensor cell is coated with an agent that reacts with a targeted biochemical analyte secreted by pests. The controller is coupled to the sensor and is configured to receive sensor data from the sensor cell indicative of a rate of change in sensor mass detected on the surface of the sensor cell, determine whether the rate of change in the sensor mass based on the received sensor data exceeds a predefined threshold rate, and transmit a pest detection alert notification to a server in response to a determination that the rate of change exceeds the predetermined threshold rate.Type: GrantFiled: April 9, 2021Date of Patent: August 8, 2023Assignee: CORTEVA AGRISCIENCE LLCInventors: Mark W. Beach, Andrey N Soukhojak, Neil A. Spomer, Shane L. Mangold, Ravi B. Shankar, Sukrit Mukhopadhyay, Jeremy Chris P. Reyes, Bruce A. Jacobs, William L. Winniford, Ronda L. Hamm, Phillip J. Howard, Andrew J. Pasztor, Mary D. Evenson, Thomas G. Patterson, Natalie C. Giampietro
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Publication number: 20230183401Abstract: Processes of polymerizing polyolefins and synthesis of activators. The polymerization processes include polymerizing one or more (C2-C12)?-olefin monomers in the presence of at least one catalyst and at least one co-catalyst to produce a polyolefin. The co-catalyst includes a cation and an anion, in which the anion has a structure having a vinyl terminated alkene, one boron atom or more than one boron atoms, and at least four halogen atoms. The anion of the co-catalysts is incorporated into a polymer chain of the polyolefin.Type: ApplicationFiled: April 30, 2020Publication date: June 15, 2023Applicants: DOW GLOBAL TECHNOLOGIES LLC, THE TEXAS A&M UNIVERSITY SYSTEMInventors: Richard J. Keaton, Oleg V. Ozerov, Qingheng Lai, Jerzy Klosin, Michael J. Lesniak, David M. Pearson, Todd D. Senecal, William H.H. Woodward, Sukrit Mukhopadhyay, John R. Stutzman, Susan O. Gunther
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Publication number: 20230174693Abstract: Processes of polymerizing olefins. The process includes polymerizing contacting ethylene and a (C3-C40)alpha-olefin comonomer in the presence of a catalyst system comprising a procatalyst and a bimetallic activator complex. The bimetallic activator complex includes an anion and a countercation. The anion having a structure according to formula (I).Type: ApplicationFiled: May 7, 2021Publication date: June 8, 2023Applicant: Dow Global Technologies LLCInventors: Rafael Huacuja, Richard Keaton, Jerzy Klosin, Sukrit Mukhopadhyay, David M. Pearson, Todd D. Senecal, William H.H. Woodward
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Publication number: 20230151156Abstract: A polyfunctional organohydrogensiloxane is prepared using a fluorinated triarylborane Lewis acid as catalyst. The polyfunctional organohydrogensiloxane may be formulated into release coating compositions. Alternatively, the polyfunctional organohydrogensiloxane may be further functionalized with a curable group to form a clustered functional organosiloxane. The clustered functional organosiloxane may be formulated into thermal radical cure adhesive compositions.Type: ApplicationFiled: June 16, 2021Publication date: May 18, 2023Inventors: Marc-Andre Courtemanche, Anne-Catherine Bedard, Heather Spinney, David Wilson, Arjun Raghuraman, Sukrit Mukhopadhyay, Travis Sunderland
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Publication number: 20230151157Abstract: A composition and method can be used in the preparation of various siloxanes. The composition and method employ a fluorinated triarylborane Lewis acid, a hydrocarbonoxy-functional organosilicon compound, and a silyl hydride. The fluorinated triarylborane Lewis acid catalyzes reaction of a hydrocarbonoxy moiety (from the organosilicon compound) and a silicon-bonded hydrogen atom (from the silyl hydride) to form a siloxane bond.Type: ApplicationFiled: June 16, 2021Publication date: May 18, 2023Inventors: Marc-Andre Courtemanche, Anne-Catherine Bédard, Heather Spinney, David Wilson, Arjun Raghuraman, Sukrit Mukhopadhyay, Travis Sunderland
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Publication number: 20230123215Abstract: A composition includes a silyl hydride (having at least one silicon-bonded hydrogen atom per molecule) and a fluorinated triarylborane Lewis acid. In the method, the Lewis acid catalyzes reaction of silicon bonded hydrogen atoms from the silyl hydride and water, thereby forming a siloxane bond in the resulting product. The composition and method can be used to form siloxane intermediates and cured networks.Type: ApplicationFiled: June 16, 2021Publication date: April 20, 2023Inventors: Marc-Andre Courtemanche, Anne-Catherine Bedard, Heather Spinney, David Wilson, Arjun Raghuraman, Sukrit Mukhopadhyay, Andrew Shah, David Devore, David Laitar, Jordan Reddel, Shuqi Lai
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Patent number: 11542350Abstract: Embodiments of the disclosure include processes of polymerizing olefins. The process includes contacting ethylene and a (C3-C40)alpha-olefin comonomer in the presences of a catalyst system. The catalyst system comprises a procatalyst and a bimetallic activator complex. The bimetallic activator complex comprises an anion and a countercation, and the anion has a structure according to formula (I).Type: GrantFiled: March 22, 2019Date of Patent: January 3, 2023Assignee: Dow Global Technologies LLCInventors: Richard J. Keaton, Rafael Huacuja, David R. Wilson, Jerzy Klosin, David M. Pearson, Todd D. Senecal, Sukrit Mukhopadhyay, William H. H. Woodward
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Patent number: 11479642Abstract: A method of producing a polyether polyol that includes reacting a low molecular weight initiator with one or more monomers in the presence of a polymerization catalyst, the low molecular weight initiator having a number average molecular weight of less than 1,000 g/mol and a nominal hydroxyl functionality at least 2, the one or more monomers including at least one selected from propylene oxide and butylene oxide, and the polymerization catalyst being a Lewis acid catalyst having the general formula M(R1)1(R2)1(R3)1(R4)0 or 1. Whereas, M is boron, aluminum, indium, bismuth or erbium, R1, R2, and R3 each includes a same fluoroalkyl-substituted phenyl group, and optional R4 includes a functional group or functional polymer group. The method further includes forming a polyether polyol having a number average molecular weight of greater than the number average molecular weight of the low molecular weight initiator in the presence of the Lewis acid catalyst.Type: GrantFiled: September 14, 2018Date of Patent: October 25, 2022Assignees: Dow Global Technologies LLC, Northwestern UniversityInventors: Arjun Raghuraman, William H. Heath, Sukrit Mukhopadhyay, Heather A. Spinney, David R. Wilson, Anthony P. Gies, Manjiri R. Paradkar, Justin M. Notestein, SonBinh T. Nguyen
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Patent number: 11447584Abstract: Embodiments of this disclosure include processes of polymerizing olefins, the process comprising contacting ethylene and a (C3-C40)alpha-olefin comonomer in the presence of a catalyst system, the catalyst system comprising a Group IV metal-ligand complex and a metallic activator ionic complex, the metallic activator ionic complex comprising an anion and a countercation, the anion having a structure according to formula (I):Type: GrantFiled: March 26, 2019Date of Patent: September 20, 2022Assignee: Dow Global Technologies LLCInventors: Todd D. Senecal, Sukrit Mukhopadhyay, Richard J. Keaton, Jerzy Klosin, Rafael Huacuja, David M. Pearson, William H. H. Woodward
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Patent number: 11447586Abstract: Embodiments of this disclosure include processes of polymerizing olefins, the process comprising contacting ethylene and a (C3-C40)alpha-olefin comonomer in the presence of a catalyst system, the catalyst system comprising a Group IV metal-ligand complex and an ionic metallic activator complex, the ionic metallic activator complex comprising an anion and a countercation, the anion having a structure according to formula (I):formula (I)Type: GrantFiled: March 26, 2019Date of Patent: September 20, 2022Assignee: Dow Global Technologies LLCInventors: Richard J. Keaton, Rafael Huacuja, David R. Wilson, Jerzy Klosin, David M. Pearson, Todd D. Senecal, Sukrit Mukhopadhyay, William H. H. Woodward
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Publication number: 20220259336Abstract: Processes of polymerizing olefin monomers using catalyst systems comprising a procatalyst having a structure according to Formula (I).Type: ApplicationFiled: June 23, 2020Publication date: August 18, 2022Applicant: Dow Global Technologies LLCInventors: Jordan C. Reddel, Todd D. Senecal, Brad C. Bailey, Andrew M. Camelio, Sukrit Mukhopadhyay, John B. Etienne