Patents by Inventor Hendrik De Groot
Hendrik De Groot 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: 11926731Abstract: A composition comprising selectively hydrogenated block copolymers (a) and (b having peak molecular weights of 150-1,000 kg/mol, 6-60 kg/mol, respectively, is disclosed. Component (a) comprises one or more structures A-B-A, (A-B-A)nX, A-(B-A)n, and (A-B)nX. Component (b) comprises one or more structures C-D, D-C-D, and (D-C)nX. The value of “n” is 1-30, and “X” is a residue of a coupling agent. Before hydrogenation, blocks A and C, are vinyl aromatic polymer blocks; and blocks B and D are polymer blocks comprising 60-100 mol % of one or more conjugated dienes and 0-40 mol % of a vinyl aromatic monomer. The HSBC compositions and TPE blends exhibits good elasticity, good processability, low extractables, and low compression set.Type: GrantFiled: August 18, 2021Date of Patent: March 12, 2024Assignee: KRATON CORPORATIONInventors: Xavier D. D. J. Muyldermans, Arwin W. van der Waal, Hendrik de Groot
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Patent number: 11759758Abstract: An oil gel compositions comprising (i) between 10 to 20 wt. % of a selectively hydrogenated styrenic block copolymer, (ii) an oil, and (iii) optional additives is described herein. In embodiments, the oil gel composition is characterized as having, a viscosity at 25° C. and 10/s between 100 (See claim 2) and 200 Pa-s, a cone penetration at 25° C. from 200 dmm to 600 dmm, a drop point from 100 to 250° C., and oil separation at 100° C. from 0% to 2%. In embodiments, the oil gel composition has a viscosity ratio of 25° C./100° C. from 4 to 20 at 10/s shear rate. The oil gel composition can be used in cables for post tensioning applications.Type: GrantFiled: April 10, 2019Date of Patent: September 19, 2023Assignee: KRATON CORPORATIONInventor: Hendrik de Groot
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Publication number: 20220333233Abstract: A method of forming an optical thin film, comprises providing an assembly comprising a layer of semiconductor material deposited on a substrate, the semiconductor material comprising a compound of at least one metal and a group VI element; depositing a masking layer onto the layer of semiconductor material, the masking layer being patterned to expose one or more regions of the layer of semiconductor material; applying to the assembly a plasma of the group VI element in order to cause indiffusion of the group VI element into the semiconductor material in the exposed regions while the masking layer blocks indiffusion in unexposed regions, the indiffusion causing a reduction in carrier density in the semiconductor material; and removing the masking layer; thereby forming, from the layer of semiconductor material, an optical thin film having a variation in carrier density and corresponding variation in optical properties matching the patterning of the masking layer in a plane parallel to the substrate.Type: ApplicationFiled: September 11, 2020Publication date: October 20, 2022Inventors: Kai SUN, Cornelis Hendrik DE GROOT, Otto Lambert MUSKENS
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Publication number: 20220064432Abstract: A composition comprising selectively hydrogenated block copolymers (a) and (b having peak molecular weights of 150-1,000 kg/mol, 6-60 kg/mol, respectively, is disclosed. Component (a) comprises one or more structures A-B-A, (A-B-A)nX, A-(B-A)n, and (A-B)nX. Component (b) comprises one or more structures C-D, D-C-D, and (D-C)nX. The value of “n” is 1-30, and “X” is a residue of a coupling agent. Before hydrogenation, blocks A and C, are vinyl aromatic polymer blocks; and blocks B and D are polymer blocks comprising 60-100 mol % of one or more conjugated dienes and 0-40 mol % of a vinyl aromatic monomer. The HSBC compositions and TPE blends exhibits good elasticity, good processibility, low extractables, and low compression set.Type: ApplicationFiled: August 18, 2021Publication date: March 3, 2022Applicant: Kraton Polymers LLCInventors: Xavier D.D.J. Muyldermans, Arwin W. van der Waal, Hendrik de Groot
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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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Patent number: 10633465Abstract: Selectively hydrogenated block copolymers having semi-crystalline blocks hard blocks and copolymer soft blocks having a combination of excellent physical properties and solvent resistance have been discovered. The block copolymer comprises at least one A block of hydrogenated, polymerized 1,3-butadiene and at least one B block which is a random copolymer or a controlled distribution copolymer of conjugated diene and mono vinyl aromatic monomers in which the conjugated diene monomer units are selectively hydrogenated. Polar functionalized block embodiments of the block copolymers are also disclosed. Compositions comprising the block copolymer and articles made from the block copolymer have also been discovered. A method is disclosed which provides highly isotropic, high strength melt cast films of block copolymers.Type: GrantFiled: March 22, 2017Date of Patent: April 28, 2020Assignee: Kraton Polymers U.S. LLCInventors: John E. Flood, Carl L. Willis, Robert C. Bening, Hendrik De Groot, Xavier D. D. J. Muyldermans, David T. Williamson, Dale L. Handlin, Jr., Robert Dossett
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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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Publication number: 20190329207Abstract: An oil gel compositions comprising (i) between 10 to 20 wt. % of a selectively hydrogenated styrenic block copolymer, (ii) an oil, and (iii) optional additives is described herein. In embodiments, the oil gel composition is characterized as having, a viscosity at 25° C. and 10/s between 100 (See claims 2) and 200 Pa·s, a cone penetration at 25° C. from 200 dmm to 600 dmm, a drop point from 100 to 250° C., and oil separation at 100° C. from 0% to 2%. In embodiments, the oil gel composition has a viscosity ratio of 25° C./100° C. from 4 to 20 at 10/s shear rate. The oil gel composition can be used in cables for post tensioning applications.Type: ApplicationFiled: April 10, 2019Publication date: October 31, 2019Applicant: KRATON POLYMERS LLCInventor: Hendrik de Groot
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Publication number: 20170275392Abstract: Selectively hydrogenated block copolymers having semi-crystalline blocks hard blocks and copolymer soft blocks having a combination of excellent physical properties and solvent resistance have been discovered. The block copolymer comprises at least one A block of hydrogenated, polymerized 1,3-butadiene and at least one B block which is a random copolymer or a controlled distribution copolymer of conjugated diene and mono vinyl aromatic monomers in which the conjugated diene monomer units are selectively hydrogenated. Polar functionalized block embodiments of the block copolymers are also disclosed. Compositions comprising the block copolymer and articles made from the block copolymer have also been discovered. A method is disclosed which provides highly isotropic, high strength melt cast films of block copolymers.Type: ApplicationFiled: March 22, 2017Publication date: September 28, 2017Applicant: KRATON POLYMERS U.S. LLCInventors: John E. Flood, Carl L. WILLIS, Robert C. Bening, Hendrik De Groot, Xavier D.D.J. Muyldermans, David T. Williamson, Dale L. Handlin, Jr., Robert Dossett
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Publication number: 20150148488Abstract: The present invention provides for a thermoplastic composition that includes from about 40 to about 95 wt. % of a polyamide, and from about 5 to about 30 wt. % of at least one functionalized, selectively hydrogenated block copolymer, including at least one polymer block A, the A block being at least predominantly a polymerized alkenyl arene block, and at least one selectively hydrogenated polymer block B, the B block prior to hydrogenation being at least predominantly a polymerized conjugated diene block to which grafted thereto on the average an effective amount of monomer acids or their derivatives, including maleic acid, succinic acid, itaconic acid, fumaric acid, and acrylic acid. The composition optionally includes from about 5 to about 50 wt. % of a selectively hydrogenated block copolymer.Type: ApplicationFiled: November 25, 2013Publication date: May 28, 2015Applicant: KRATON POLYMERS U.S. LLCInventors: Marcus GREGER, Hendrik DE GROOT
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Patent number: 7847022Abstract: The present invention relates to articles prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers have mono alkenyl arene end blocks and controlled distribution blocks of mono alkenyl arenes and conjugated dienes. The block copolymer may be blended with at least one other polymer selected from the group consisting of olefin polymers, styrene polymers, amorphous resins and engineering thermoplastic resins.Type: GrantFiled: February 6, 2003Date of Patent: December 7, 2010Assignee: Kraton Polymers U.S. LLCInventors: Kathryn Wright, Dale Lee Handlin, Jr., Carl Lesley Willis, Margaret Ann Burns Clawson, Hendrik de Groot, Huan Yang, Keith E. Eiden
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Publication number: 20090247689Abstract: The present invention provides an improved block copolymer composition for extruding films having excellent stress relaxation and increased retained tension or load at elevated temperatures, as well as a film cast from this composition.Type: ApplicationFiled: September 19, 2007Publication date: October 1, 2009Applicant: KRATON POLYMERS US LLCInventors: Holger Wickel, Hendrik De Groot, Markus Beitzel
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Patent number: 7592390Abstract: 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: GrantFiled: March 24, 2006Date of Patent: September 22, 2009Assignee: Kraton Polymers U.S. LLCInventors: Robert C. Bening, Hendrik de Groot, Dale L. Handlin, Jr., Xavier Muyldermans, Carl L. Willis, Kathryn J. Wright
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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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Patent number: 7267855Abstract: The present invention relates to articles prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers are selectively hydrogenated and have mono alkenyl arene end blocks and controlled distribution blocks of mono alkenyl arenes and conjugated dienes. The block copolymer may be blended with at least one other polymer selected from the group consisting of olefin polymers, styrene polymers, amorphous resins and engineering thermoplastic resins.Type: GrantFiled: February 6, 2003Date of Patent: September 11, 2007Assignee: Kraton Polymers U.S. LLCInventors: Dale Lee Handlin, Jr., Carl Lesley Willis, Margaret Ann Burns Clawson, Hendrik de Groot, Keith Edward Eiden
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Patent number: 7001956Abstract: The present invention relates to articles prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers are selectively hydrogenated and have mono alkenyl arene end blocks and conjugated diene mid blocks. The block copolymer may be blended with at least one other polymer selected from the group consisting of olefin polymers, styrene polymers, amorphous resins and engineering thermoplastic resins.Type: GrantFiled: June 4, 2003Date of Patent: February 21, 2006Assignee: Kraton Polymers U.S. LLCInventors: Dale Lee Handlin, Jr., Carl Lesley Willis, Hendrik de Groot, Margaret Ann Burns Clawson, Gert Joly, Catherine Maris, Lie Djiauw
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Patent number: 6846535Abstract: Kink resistant medical tube is manufactured from a polymer composition comprising: a) a random polypropylene copolymer; and b) a block copolymer comprising at least two vinyl aromatic polymer blocks and at least one hydrogenated conjugated diene polymer block, wherein the hydrogenated conjugated diene polymer block has a vinyl content before hydrogenation of at least 50%.Type: GrantFiled: June 7, 2001Date of Patent: January 25, 2005Assignee: Kraton Polymers U.S. LLCInventors: Hendrik De Groot, Freddy Maria Armand Vervoort
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Publication number: 20030225209Abstract: The present invention relates to articles prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers are selectively hydrogenated and have mono alkenyl arene end blocks and conjugated diene mid blocks. The block copolymer may be blended with at least one other polymer selected from the group consisting of olefin polymers, styrene polymers, amorphous resins and engineering thermoplastic resins.Type: ApplicationFiled: June 4, 2003Publication date: December 4, 2003Inventors: Dale Lee Handlin, Carl Lesley Willis, Hendrik de Groot, Margaret Ann Burns Clawson, Gert Joly, Catherine Maris, Lie Djiauw
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Publication number: 20030181585Abstract: The present invention relates to articles prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers are selectively hydrogenated and have mono alkenyl arene end blocks and controlled distribution blocks of mono alkenyl arenes and conjugated dienes. The block copolymer may be blended with at least one other polymer selected from the group consisting of olefin polymers, styrene polymers, amorphous resins and engineering thermoplastic resins.Type: ApplicationFiled: February 6, 2003Publication date: September 25, 2003Inventors: Dale Lee Handlin, Carl Lesley Willis, Margaret Ann Burns Clawson, Hendrik de Groot, Keith Edward Eiden
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Publication number: 20030181584Abstract: The present invention relates to elastomeric articles prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers are selectively hydrogenated and have mono alkenyl arene end blocks and controlled distribution blocks of mono alkenyl arenes and conjugated dienes. The block copolymer may be blended with at least one other polymer selected from the group consisting of olefin polymers, styrene polymers, amorphous resins, and engineering thermoplastic resins.Type: ApplicationFiled: July 31, 2002Publication date: September 25, 2003Applicant: Kraton Polymers U.S. LLCInventors: Dale Lee Handlin,, Carl Lesley Willis, Margaret Ann Burns Clawson, Hendrik De Groot, Keith Edward Eiden