Patents by Inventor David Briers
David Briers 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: 12521953Abstract: A cupsole for footwear, said cupsole comprising at least a sidewall, a bottom surface and a central portion and wherein said sidewall circumscribes the central portion, said central portion having openings, preferably in the form of at least one honeycomb structure and wherein at least the sidewall and the bottom surface of the cupsole have a solid structure with no openings and wherein the complete cupsole is customized on the base of specific and measured data obtained directly from the user and printed in 1 single 3D printing step thereby using a thermoplastic polymer.Type: GrantFiled: November 6, 2020Date of Patent: January 13, 2026Inventors: Hugo Verbeke, David Briers, Bram Vanroy, Sandra Meynen
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Publication number: 20250346706Abstract: A reactive formulation and method for forming a thermoplastic polyurethane (TPU) having a glass transition temperature (Tg) above room temperature, preferably a Tg higher than 40° C., more preferably higher than 55° C., a flexural modulus in the range 300-15000 MPa-(measured according to ISO 178), most preferably in the range 1500-2700 MPa and a tensile strength at break (according to DIN 53504) in the range of 5 up to 150 MPa is disclosed. Said reactive formulation comprising at least an isocyanate composition and an isocyanate-reactive composition comprising at least an aromatic dicarboxylic acid based diol chain extender having a molecular weight<500 g/mol and optionally fillers. Furthermore, a TPU material having a glass transition temperature (Tg)>room temperature and a flexural modulus in the range 300-15000 MPa (measured according to ISO 178) is disclosed which is thermally recyclable and optionally made from a terephthalic acid based polyester diol chain extender made from recycled PET.Type: ApplicationFiled: January 30, 2023Publication date: November 13, 2025Inventors: Bram VANROY, Hugo VERBEKE, Stef PEETERS, David BRIERS, Erika VANEMPTEN, Hanson WAN
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Publication number: 20250341102Abstract: An exemplary embodiment provides a flooring panel, comprising a core layer comprising a thermoplastic polyurethane (TPU) having a shore D hardness in the range 50-100 and a glass transition temperature above room temperature. The TPU can be formed from a reactive formulation, comprising an isocyanate composition, an isocyanate-reactive composition, optionally a catalyst compound, and optionally additives and/or fillers. The isocyanate composition can comprise at least one difunctional isocyanate compound. The isocyanate-reactive composition can comprise at least one aromatic dicarboxylic acid based diol chain extender having a molecular weight <500 g/mol. The hardblock content of the reactive formulation can be >70 wt % based on the total weight of the isocyanate and isocyanate-reactive composition, the isocyanate index can be in the range 75 up to 125, and the number average isocyanate functionality and/or the number average hydroxy functionality can be in the range of 1.8 up to 2.5.Type: ApplicationFiled: May 25, 2023Publication date: November 6, 2025Inventors: Bram VANROY, Hugo VERBEKE, Stef PEETERS, David BRIERS, Erika VANEMPTEN, Hanson WAN
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Publication number: 20250091309Abstract: A cupsole for footwear, said cupsole comprising at least a sidewall, a bottom surface and a central portion and wherein said sidewall circumscribes the central portion, said central portion having openings, preferably in the form of at least one honeycomb structure and wherein at least the sidewall and the bottom surface of the cupsole have a solid structure with no openings and wherein the complete cupsole is customized on the base of specific and measured data obtained directly from the user and printed in 1 single 3D printing step thereby using a thermoplastic polymer.Type: ApplicationFiled: November 6, 2020Publication date: March 20, 2025Applicant: Huntsman International LLCInventors: Hugo Verbeke, David Briers, Bram Vanroy, Sandra Meynen
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Publication number: 20240141126Abstract: A 2-step processing method to form a partly cross-linked polyurethane (PU) comprising foam having densities below 600 kg/m3, preferably in the range 20-300 kg/m3, said method comprising: A first processing which comprises at least following steps: a) providing a reactive mixture comprising an isocyanate composition comprising at least one isocyanate compound, an isocyanate-reactive composition comprising at least one isocyanate reactive compound, a crosslinking agent and a blowing agent composition comprising at least a heat activatable blowing agent which is heat activatable to achieve blowing at an activation temperature Tactivate, and b) allowing the reactive mixture to polymerize, optionally using a shape or mold, at a process temperature Tprocess wherein Tprocess<Tactivate and Tprocess<Tmelt to form a polyurethane comprising material having a melting temperature Tmelt and which is solid at room temperature, and then A second processing which comprises at least following steps: c) placing the polType: ApplicationFiled: March 17, 2022Publication date: May 2, 2024Inventors: Hugo VERBEKE, Bram VANROY, Erika VANEMPTEN, David BRIERS
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Patent number: 11814539Abstract: A cross-linkable powder for use in a selective laser sintering (SLS) process for additive manufacturing is disclosed as well as a novel manufacturing process to form a 3D object using said cross-linkable powder. The manufacturing process makes it possible to create interlayer covalent bondings between deposited layers of cross-linkable powder such that 3D printed objects are achieved having improved mechanical strength, less object deformation and/or no warping.Type: GrantFiled: December 19, 2019Date of Patent: November 14, 2023Assignee: HUNTSMAN INTERNATIONAL LLCInventors: Hugo Verbeke, Bram Vanroy, David Briers
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Publication number: 20220243059Abstract: A liquid curable polyurethane based resin comprising a) polyurethane compounds which are functionalized with reactive ethylenically unsaturated moieties, b) at least one reactive diluent compound having at least one ethylenically unsaturated functional group and c) at least one photo-initiator for making polymerized/cured polyurethane based materials having elongation at break values of >100%, preferably >125%, most preferably >150% and a tensile strength of >5 MPa, more preferably >7 MPa, most preferably >10 MPa (both measured according to DIN 53504 S2).Type: ApplicationFiled: June 11, 2020Publication date: August 4, 2022Inventors: Hugo Verbeke, David Briers, Bram Vanroy, Sandra Meynen
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Patent number: 11326027Abstract: A method for producing a hydroxyl-functionalized polysiloxane having secondary or tertiary hydroxyl groups, said method comprising the steps of: i) reacting a hydroxyalkyl allyl ether having a secondary or tertiary alcohol group with a siloxane under anhydrous conditions and under transition metal catalysis, said hydroxylalkyl allyl ether conforming to Formula (I) wherein n is 0, 1, 2, 3, 4 or 5, preferably 0; m is 1, 2, 3, 4 or 5, preferably 1; spacer group A is constituted by a covalent bond or a C1-C20 alkylene group; R1 is hydrogen, a C1-C8 alkyl group, a C3-C10 cycloalkyl group, a C6-C18 aryl group or an aralkyl group; Ra, Rb, Rc, Rd, R2, R3, R4 and R5 may be the same or different and each is independently selected from hydrogen, a C1-C8 alkyl group, a C6-C18 aryl group or a C6-C18 aralkyl group, with the proviso that at least one of R3 and R4 is not hydrogen; and said siloxane conforming to Formula (II) wherein m is 1, 2, 3, 4 or 5, preferably 1; R6, R7, R8 and R9 may beType: GrantFiled: June 14, 2019Date of Patent: May 10, 2022Assignee: Henkel AG & Co. KGaAInventors: Marleen Winterberg, Marta Woznicka, Annika Dietrich, Esteban Mejia, Udo Kragl, Christina Despotopoulou, Ralf Dunekake, David Briers, Johann Klein, Henrik Lund
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Publication number: 20220041889Abstract: A cross-linkable powder for use in a selective laser sintering (SLS) process for additive manufacturing is disclosed as well as a novel manufacturing process to form a 3D object using said cross-linkable powder. The manufacturing process makes it possible to create interlayer covalent bondings between deposited layers of cross-linkable powder such that 3D printed objects are achieved having improved mechanical strength, less object deformation and/or no warping.Type: ApplicationFiled: December 19, 2019Publication date: February 10, 2022Inventors: Hugo Verbeke, Bram Vanroy, David Briers
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Publication number: 20190322808Abstract: A method for producing a hydroxyl-functionalized polysiloxane having secondary or tertiary hydroxyl groups, said method comprising the steps of: i) reacting a hydroxyalkyl allyl ether having a secondary or tertiary alcohol group with a siloxane under anhydrous conditions and under transition metal catalysis, said hydroxylalkyl allyl ether conforming to Formula (I) wherein n is 0, 1, 2, 3, 4 or 5, preferably 0; m is 1, 2, 3, 4 or 5, preferably 1; spacer group A is constituted by a covalent bond or a C1-C20 alkylene group; R1 is hydrogen, a C1-C8 alkyl group, a C3-C10 cycloalkyl group, a C6-C18 aryl group or an aralkyl group; Ra, Rb, Rc, Rd, R2, R3, R4 and R5 may be the same or different and each is independently selected from hydrogen, a C1-C8 alkyl group, a C6-C18 aryl group or a C6-C18 aralkyl group, with the proviso that at least one of R3 and R4 is not hydrogen; and said siloxane conforming to Formula (II) wherein m is 1, 2, 3, 4 or 5, preferably 1; R6, R7, R8 and R9 may beType: ApplicationFiled: June 14, 2019Publication date: October 24, 2019Inventors: Marleen Winterberg, Marta Woznicka, Annika Dietrich, Esteban Mejia, Udo Kragl, Christina Despotopoulou, Ralf Dunekake, David Briers, Johann Klein, Henrik Lund
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Publication number: 20190085219Abstract: The present invention is related to an electrically conductive, hot-melt adhesive or molding composition, said composition comprising: a) a binding agent which comprises at least one (co)polymer selected from the group consisting of polyamide, thermoplastic polyamide, copolyamide, polyolefins, poly(meth)acrylates, polystyrene, polyurethanes, polyesters, ethylene copolymers, ethylene vinyl copolymers, styrenic block copolymers, polylactic acid, silicones, epoxies and polyols; and, b) a conductive filler comprising particles (p1) which have a mass median diameter (D50) of ?100 microns and which are selected from the group consisting of flakes, platelets, leaf-like particles, dendritic particles, rods, tubes, fibres, needles and mixtures thereof, wherein said composition has a melt viscosity of from 2500 to 25000 mPa·s as measured at 210° C. and is further characterized in that said particles (p1) constitute from 15 to 70 wt. %, by weight of the composition.Type: ApplicationFiled: October 19, 2018Publication date: March 21, 2019Inventors: Jeffrey CAI, David Briers, Callum Poole, Gunther Dreezen, Anthony Chapman, Dale R. Starkey
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Publication number: 20190031812Abstract: A silylated polyurethane obtainable by a process comprising the following steps: (a) reacting at least one polyol with at least one triisocyanate to form a hydroxyl-terminated polyurethane prepolymer, and (b) reacting said polyurethane prepolymer with at least one isocyanatosilane of the formula (1): OCN—R—Si—(X)m(R1)3-m, wherein m is 0, 1 or 2, each R1 is independently from each other a hydroxyl group, an alkoxy group having 1 to 10 carbon atoms, an acyloxy group having 1 to 10 carbon atoms, or —OCH(R2)COOR3, wherein R2 is hydrogen or an alkyl group having 1 to 4 carbon atoms and R3 is a straight-chain or branched alkyl group having 1 to 8 carbon atoms, each X is independently from each other and optionally substituted hydrocarbon group having 1 to 10 carbon atoms, which can be interrupted by at least one heteroatom, and R is a difunctional organic group, to endcap the hydroxyl groups on said prepolymer with said isocyanatosilane.Type: ApplicationFiled: October 5, 2018Publication date: January 31, 2019Inventors: Ralf Baetzgen, Jan-Erik Damke, David Briers, Johann Klein
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Patent number: 10118984Abstract: A silylated polyurethane obtainable by a process comprising the following steps: (a) reacting at least one polyol with at least one triisocyanate to form a hydroxyl-terminated polyurethane prepolymer, and (b) reacting said polyurethane prepolymer with at least one isocyanatosilane of the formula (1): OCN—R—Si—(X)m(R1)3?m, wherein m is 0, 1 or 2, each R1 is independently from each other a hydroxyl group, an alkoxy group having 1 to 10 carbon atoms, an acyloxy group having 1 to 10 carbon atoms, or —OCH(R2)COOR3, wherein R2 is hydrogen or an alkyl group having 1 to 4 carbon atoms and R3 is a straight-chain or branched alkyl group having 1 to 8 carbon atoms, each X is independently from each other and optionally substituted hydrocarbon group having 1 to 10 carbon atoms, which can be interrupted by at least one heteroatom, and R is a difunctional organic group, to endcap the hydroxyl groups on said prepolymer with said isocyanatosilane.Type: GrantFiled: September 7, 2017Date of Patent: November 6, 2018Assignee: Henkel AG & Co. KGaAInventors: Ralf Bätzgen, Jan-Erik Damke, David Briers, Johann Klein
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Patent number: 10059728Abstract: The present invention relates to a method for preparing functionalized cyclosiloxanes of Formula I, wherein R, R1, R2, m, n1 and n2 are as defined herein, comprising reacting (i) a cyclosiloxane of Formula II with (ii) a substituted acetylene of Formula III in the presence of a hydrosilylation catalyst. The invention further relates to methods for preparing biscyclosiloxanes by reacting the vinyl cyclosiloxanes obtained according to the described methods and the (bis)cyclosiloxanes obtainable according to the described methods.Type: GrantFiled: October 17, 2016Date of Patent: August 28, 2018Assignee: Henkel AG & Co. KGaAInventors: David Briers, Johann Klein, Esteban Mejia, Udo Kragl, Ralf Dunekake, Marleen Winterberg, Jens Baumgard
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Publication number: 20180094171Abstract: The present invention relates to hotmelt adhesives with improved thermal conductivity, uses thereof. The adhesive composition of the present invention comprise at least one (co)polymer binder and at least one filler, as defined herein. The thermally conductive hotmelt adhesive composition according to the present invention is also intended to encapsulate heat generating devices such as printed circuit boards to provide better heat dissipation.Type: ApplicationFiled: December 4, 2017Publication date: April 5, 2018Inventors: David BRIERS, Gunther Dreezen, Jianfen Cai, Callum Poole, Anthony Chapman, Dale R. Starkey
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Publication number: 20170362371Abstract: A silylated polyurethane obtainable by a process comprising the following steps: (a) reacting at least one polyol with at least one triisocyanate to form a hydroxyl-terminated polyurethane prepolymer, and (b) reacting said polyurethane prepolymer with at least one isocyanatosilane of the formula (1): OCN—R—Si—(X)m(R1)3-m, wherein m is 0, 1 or 2, each R1 is independently from each other a hydroxyl group, an alkoxy group having 1 to 10 carbon atoms, an acyloxy group having 1 to 10 carbon atoms, or —OCH(R2)COOR3, wherein R2 is hydrogen or an alkyl group having 1 to 4 carbon atoms and R3 is a straight-chain or branched alkyl group having 1 to 8 carbon atoms, each X is independently from each other and optionally substituted hydrocarbon group having 1 to 10 carbon atoms, which can be interrupted by at least one heteroatom, and R is a difunctional organic group, to endcap the hydroxyl groups on said prepolymer with said isocyanatosilane.Type: ApplicationFiled: September 7, 2017Publication date: December 21, 2017Inventors: Ralf Bätzgen, Jan-Erik Damke, David Briers, Johann Klein
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Publication number: 20170096438Abstract: The present invention relates to a method for preparing functionalized cyclosiloxanes of Formula I, wherein R, R1, R2, m, n1 and n2 are as defined herein, comprising reacting (i) a cyclosiloxane of Formula II with (ii) a substituted acetylene of Formula III in the presence of a hydrosilylation catalyst. The invention further relates to methods for preparing biscyclosiloxanes by reacting the vinyl cyclosiloxanes obtained according to the described methods and the (bis)cyclosiloxanes obtainable according to the described methods.Type: ApplicationFiled: October 17, 2016Publication date: April 6, 2017Inventors: David Briers, Johann Klein, Esteban Mejia, Udo Kragl, Ralf Dunekake, Marleen Winterberg, Jens Baumgard
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Patent number: 8969457Abstract: The present invention relates to a curable composition, which comprises a) at least one radiation-curable resin, b) at least one specific anti-oxidant and c) at least one photoinitiator salt. The invention further relates to a cured product made from the curable composition. The curable compositions and/or the cured products thereof are particularly suitable as laminating adhesives, sealants, and/or encapsulants for electronic or optoelectronic devices.Type: GrantFiled: March 13, 2013Date of Patent: March 3, 2015Assignee: Henkel AG & Co. KGaAInventor: David Briers