Patents by Inventor Robert Bening
Robert Bening 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: 20230312849Abstract: The disclosure relates to a hydrogenated styrene-based multiblock copolymer composition, having selectively quaternized midblock, for forming anion-exchange membranes (AEMs). The quaternized hydrogenated styrene-based multiblock copolymer is characterized as having a high glass transition temperature from the hydrophobic end-blocks, low vinyl (rubber) content, and quaternized mid-block. AEMs made from the composition have improved thermal and dimensional stability in electrolyzer operations.Type: ApplicationFiled: March 28, 2023Publication date: October 5, 2023Applicant: Kraton CorporationInventors: Vijay MHETAR, Ruidong Ding, Jason Tian, Roger Tocchetto, Jiaqi Yan, Robert Bening, Sandesh Deshmukh
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Patent number: 11091628Abstract: A filling composition is disclosed, the composition comprises (i) between 4 to 20 wt. % of a selectively hydrogenated isoprene-styrene block copolymer having a structure S-EP with at least 40 wt. % polystyrene content, a total diblock apparent molecular weight of at least 160 kg/mole, the polystyrene block S has a true molecular weight in the range of 60 to 110 kg/mole, and the polyisoprene block (EP) has a molecular weight in the range of 80-100 kg/mole, (ii) an oil, and (iii) optional additives. The filling composition is characterized as having a thixotropic ratio of 2-10, a drop point of at least 200° C., and a cone penetration at 25° C. of <500 dmm.Type: GrantFiled: August 1, 2019Date of Patent: August 17, 2021Assignee: Kraton Polymers LLCInventors: Hendrik de Groot, Mark Govert Kalisvaart, Robert Bening, Huixian Yang
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Publication number: 20200056035Abstract: A filling composition is disclosed, the composition comprises (i) between 4 to 20 wt. % of a selectively hydrogenated isoprene-styrene block copolymer having a structure S-EP with at least 40 wt. % polystyrene content, a total diblock apparent molecular weight of at least 160 kg/mole, the polystyrene block S has a true molecular weight in the range of 60 to 110 kg/mole, and the polyisoprene block (EP) has a molecular weight in the range of 80-100 kg/mole, (ii) an oil, and (iii) optional additives. The filling composition is characterized as having a thixotropic ratio of 2-10, a drop point of at least 200° C., and a cone penetration at 25° C. of <500 dmm.Type: ApplicationFiled: August 1, 2019Publication date: February 20, 2020Applicant: Kraton Polymers LLCInventors: Hendrik de Groot, Mark Govert Kalisvaart, Robert Bening, Huixian Yang
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Patent number: 10336884Abstract: Compositions comprising (i) a hydrogenated styrenic block copolymer, (ii) an oil, and (iii) optional additives are described herein. Compositions include but are not limited to cable fillings. The styrenic block copolymer having peak molecular weight of from about 125 to about 300 kg/mol, an oil and optional additives are described herein. The block copolymer includes a B block having vinyl content of from about 35% to about 49% and an S block having a polystyrene content of from about 28% to about 40%. The compositions may form a gel having a thixotropic ratio at 25° C. of from about 5 to about 10 and further characterized by specific low, middle and high shear rate viscosities at 25° C. and shear rates of 6 s?1, 50 s?1 and 200 s?1 of from 10,000 cps to 750,000 cps, 1,000 cps to 100,000 cps and 1,000 cps to 6,000 cps, respectively; a drop point from 100° C. to 250° C.; and a cone penetration at 25° C. of from 300 dmm to 685 dmm.Type: GrantFiled: July 13, 2017Date of Patent: July 2, 2019Assignee: Kraton CorporationInventors: Robert Bening, Ruidong Ding, Huixian Yang, Catherine Maris
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Publication number: 20180016413Abstract: Compositions comprising (i) a hydrogenated styrenic block copolymer, (ii) an oil, and (iii) optional additives are described herein. Compositions include but are not limited to cable fillings. The styrenic block copolymer having peak molecular weight of from about 125 to about 300 kg/mol, an oil and optional additives are described herein. The block copolymer includes a B block having vinyl content of from about 35% to about 49% and an S block having a polystyrene content of from about 28% to about 40%. The compositions may form a gel having a thixotropic ratio at 25° C. of from about 5 to about 10 and further characterized by specific low, middle and high shear rate viscosities at 25° C. and shear rates of 6 s?1, 50 s?1 and 200 s?1 of from 10,000 cps to 750,000 cps, 1,000 cps to 100,000 cps and 1,000 cps to 6,000 cps, respectively; a drop point from 100° C. to 250° C.; and a cone penetration at 25° C. of from 300 dmm to 685 dmm.Type: ApplicationFiled: July 13, 2017Publication date: January 18, 2018Applicant: KRATON POLYMERS U.S. LLCInventors: Robert BENING, Ruidong DING, Huixian YANG, Catherine MARIS
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Patent number: 9394472Abstract: The invention relates to a selectively hydrogenated isoprene-styrene diblock copolymer having a polystyrene content of at least 40 wt. %, which when added to an oil-based mud composition, substantially reduces fluid loss. The polystyrene in the diblock has a true molecular weight greater than 60 kg/mole and the total apparent molecular weight of the diblock copolymer is at least 160 kg/mole. The drilling mud that contains about 0.5 pounds per barrel to about 10 pounds per barrel of a selectively hydrogenated isoprene-styrene diblock copolymer and a weighting agent, resulting in a drilling fluid composition exhibiting good suspension of the weighting agent and improved fluid loss performance.Type: GrantFiled: March 27, 2014Date of Patent: July 19, 2016Assignee: Kraton Polymers U.S. LLCInventors: Erin Murphy, Robert Bening
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Publication number: 20150275065Abstract: The invention relates to a selectively hydrogenated isoprene-styrene diblock copolymer having a polystyrene content of at least 40 wt. %, which when added to an oil-based mud composition, substantially reduces fluid loss. The polystyrene in the diblock has a true molecular weight greater than 60 kg/mole and the total apparent molecular weight of the diblock copolymer is at least 160 kg/mole. The drilling mud that contains about 0.5 pounds per barrel to about 10 pounds per barrel of a selectively hydrogenated isoprene-styrene diblock copolymer and a weighting agent, resulting in a drilling fluid composition exhibiting good suspension of the weighting agent and improved fluid loss performance.Type: ApplicationFiled: March 27, 2014Publication date: October 1, 2015Applicant: Kraton Polymers US LLCInventors: Erin Murphy, Robert Bening
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Publication number: 20080015306Abstract: The present invention relates to novel compositions comprising (a) anionic block copolymers of mono alkenyl arenes and conjugated dienes where one of the blocks is a controlled distribution copolymer of a conjugated diene and mono alkenyl arene having a specific arrangement of the monomers in the copolymer block, and (b) tailored softening modifiers have a particular structure that results in a surprising improvement in properties for the composition. Also included are processes for the manufacturing such novel compositions and various end-uses and applications for such compositions.Type: ApplicationFiled: March 14, 2007Publication date: January 17, 2008Inventors: Kathryn Wright, Carl Willis, Tomomi Nishi, Norio Masuko, Dale Handlin, Robert Bening
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Publication number: 20070280874Abstract: A method of oxidizing the surface of carbon microfibers that includes contacting the microfibers with an oxidizing agent that includes sulfuric acid and potassiaum chlorate under reaction conditions sufficient to oxidize the surface. The invention also features a method of decreasing the length of carbon microfibers that includes contacting the microfibers with an oxidizing agent under reaction conditions sufficient to decrease the length.Type: ApplicationFiled: August 26, 2005Publication date: December 6, 2007Applicant: Hyperion Catalysis International, Inc.Inventors: Robert Bening, Thomas McCarthy
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Publication number: 20070225428Abstract: The present invention relates to novel compositions comprising (a) anionic block copolymers of mono alkenyl arenes and conjugated dienes, and (b) tailored softening modifiers have a particular polydispersity index that results in a surprising improvement in properties for the composition. Also included are processes for the manufacturing such novel compositions and various end-uses and applications for such compositions.Type: ApplicationFiled: March 24, 2006Publication date: September 27, 2007Inventors: Robert Bening, Hendrik de Groot, Dale Handlin, Xavier Muyldermans, Carl Willis, Kathryn Wright
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Publication number: 20070225429Abstract: The present invention relates to novel compositions comprising (a) anionic block copolymers of mono alkenyl arenes and conjugated dienes where one of the blocks is a controlled distribution copolymer of a conjugated diene and mono alkenyl arene having a specific arrangement of the monomers in the copolymer block, and (b) tailored softening modifiers have a particular structure that results in a surprising improvement in properties for the composition. Also included are processes for the manufacturing such novel compositions and various end-uses and applications for such compositions.Type: ApplicationFiled: March 24, 2006Publication date: September 27, 2007Inventors: Kathryn Wright, Carl Willis, Tomomi Nishi, Norio Masuko, Dale Handlin, Robert Bening
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Patent number: 7009000Abstract: Disclosed is an improvement to a process for preparing coupled styrenic block copolymers wherein adding from about 0.01 to about 1.5 equivalents of a metal alkyl compound per equivalent of living polymer chain ends to the cement, during or after polymerization, improves coupling efficiencies. The resultant radial styrenic block copolymers have reduced amounts of 5+ arm oligomers which can be very desirable is certain applications, such as the modification of bitumen.Type: GrantFiled: July 11, 2003Date of Patent: March 7, 2006Assignee: Kraton Polymers U.S. LLCInventors: Robert Bening, Harvey Atwood, Marinus Pieter van Dijk, Adriana Maria Petronella Ros, Barry Moore, Carl Willis, Nikolaas Jan van Dijk
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Publication number: 20050171290Abstract: The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that is rich in mono alkenyl arene units. Also disclosed is a method for manufacture of the block copolymer.Type: ApplicationFiled: February 10, 2005Publication date: August 4, 2005Inventors: Robert Bening, Dale Handlin, Larry Sterna, Carl Willis
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Publication number: 20050154144Abstract: Lithium-terminated polymers of one or more conjugated dienes and of one or more mono alkenyl arenes are coupled by reaction with an alkoxy silane coupling agent having the formula Rx—Si—(OR?)y, where x is 0 or 1, x+y=4, R and R? are the same or different, R is selected from aryl hydrocarbon radicals, linear alkyl hydrocarbon radicals and branched alkyl hydrocarbon radicals, and R? is selected from linear and branched alkyl hydrocarbon radicals, such that the resulting polymer composition contains less than about ten weight percent of uncoupled polymer diblock. The polymer compositions are subsequently selectively hydrogenated, and are useful in a variety of compounds and end use applications.Type: ApplicationFiled: February 28, 2005Publication date: July 14, 2005Applicant: KRATON Polymers U.S. LLCInventors: Harvey Atwood, Robert Bening, Mark Hageman, Dale Handlin, Adrie van der Huizen, Kimberly Johnson, Carl Willis
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Publication number: 20050137348Abstract: The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that is rich in mono alkenyl arene units. Also disclosed is a method for manufacture of the block copolymer.Type: ApplicationFiled: February 10, 2005Publication date: June 23, 2005Inventors: Robert Bening, Dale Handlin, Larry Sterna, Carl Willis
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Publication number: 20050137347Abstract: The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that is rich in mono alkenyl arene units. Also disclosed is a method for manufacture of the block copolymer.Type: ApplicationFiled: February 10, 2005Publication date: June 23, 2005Inventors: Robert Bening, Dale Handlin, Larry Sterna, Carl Willis
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Publication number: 20050137350Abstract: The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that is rich in mono alkenyl arene units. Also disclosed is a method for manufacture of the block copolymer.Type: ApplicationFiled: February 10, 2005Publication date: June 23, 2005Inventors: Robert Bening, Dale Handlin, Larry Sterna, Carl Willis
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Publication number: 20050137346Abstract: The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that is rich in mono alkenyl arene units. Also disclosed is a method for manufacture of the block copolymer.Type: ApplicationFiled: February 10, 2005Publication date: June 23, 2005Inventors: Robert Bening, Dale Handlin, Larry Sterna, Carl Willis
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Publication number: 20050137349Abstract: The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that is rich in mono alkenyl arene units. Also disclosed is a method for manufacture of the block copolymer.Type: ApplicationFiled: February 10, 2005Publication date: June 23, 2005Inventors: Robert Bening, Dale Handlin, Larry Sterna, Carl Willis
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Publication number: 20050107541Abstract: The present invention is a coupled radial anionic polymer comprising a polyhedral oligosilsesquioxane [POSS] of the formula [R—SiO3/2]n. POSS compounds having R=vinyl, glycidyldimethyl silyl, and isobutyl have been found effective in coupling anionic living polymers to yield radial polymers having 2 to 10 arms. Radial polymers of the present invention have been formed using POSS octamers and mixtures of POSS octamers, decamers and dodecamers. The present invention also relates to a process for coupling living anionic polymers with POSS compounds.Type: ApplicationFiled: October 14, 2004Publication date: May 19, 2005Inventor: Robert Bening