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).

  • Patent number: 12521953
    Abstract: 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: Grant
    Filed: November 6, 2020
    Date of Patent: January 13, 2026
    Inventors: Hugo Verbeke, David Briers, Bram Vanroy, Sandra Meynen
  • Publication number: 20250346706
    Abstract: 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: Application
    Filed: January 30, 2023
    Publication date: November 13, 2025
    Inventors: Bram VANROY, Hugo VERBEKE, Stef PEETERS, David BRIERS, Erika VANEMPTEN, Hanson WAN
  • Publication number: 20250341102
    Abstract: 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: Application
    Filed: May 25, 2023
    Publication date: November 6, 2025
    Inventors: Bram VANROY, Hugo VERBEKE, Stef PEETERS, David BRIERS, Erika VANEMPTEN, Hanson WAN
  • Publication number: 20250091309
    Abstract: 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: Application
    Filed: November 6, 2020
    Publication date: March 20, 2025
    Applicant: Huntsman International LLC
    Inventors: Hugo Verbeke, David Briers, Bram Vanroy, Sandra Meynen
  • Publication number: 20240141126
    Abstract: 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 pol
    Type: Application
    Filed: March 17, 2022
    Publication date: May 2, 2024
    Inventors: Hugo VERBEKE, Bram VANROY, Erika VANEMPTEN, David BRIERS
  • Patent number: 11814539
    Abstract: 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: Grant
    Filed: December 19, 2019
    Date of Patent: November 14, 2023
    Assignee: HUNTSMAN INTERNATIONAL LLC
    Inventors: Hugo Verbeke, Bram Vanroy, David Briers
  • Publication number: 20220243059
    Abstract: 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: Application
    Filed: June 11, 2020
    Publication date: August 4, 2022
    Inventors: Hugo Verbeke, David Briers, Bram Vanroy, Sandra Meynen
  • Patent number: 11326027
    Abstract: 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 be
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: May 10, 2022
    Assignee: Henkel AG & Co. KGaA
    Inventors: Marleen Winterberg, Marta Woznicka, Annika Dietrich, Esteban Mejia, Udo Kragl, Christina Despotopoulou, Ralf Dunekake, David Briers, Johann Klein, Henrik Lund
  • Publication number: 20220041889
    Abstract: 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: Application
    Filed: December 19, 2019
    Publication date: February 10, 2022
    Inventors: Hugo Verbeke, Bram Vanroy, David Briers
  • Publication number: 20190322808
    Abstract: 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 be
    Type: Application
    Filed: June 14, 2019
    Publication date: October 24, 2019
    Inventors: Marleen Winterberg, Marta Woznicka, Annika Dietrich, Esteban Mejia, Udo Kragl, Christina Despotopoulou, Ralf Dunekake, David Briers, Johann Klein, Henrik Lund
  • Publication number: 20190085219
    Abstract: 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: Application
    Filed: October 19, 2018
    Publication date: March 21, 2019
    Inventors: Jeffrey CAI, David Briers, Callum Poole, Gunther Dreezen, Anthony Chapman, Dale R. Starkey
  • Publication number: 20190031812
    Abstract: 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: Application
    Filed: October 5, 2018
    Publication date: January 31, 2019
    Inventors: Ralf Baetzgen, Jan-Erik Damke, David Briers, Johann Klein
  • Patent number: 10118984
    Abstract: 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: Grant
    Filed: September 7, 2017
    Date of Patent: November 6, 2018
    Assignee: Henkel AG & Co. KGaA
    Inventors: Ralf Bätzgen, Jan-Erik Damke, David Briers, Johann Klein
  • Patent number: 10059728
    Abstract: 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: Grant
    Filed: October 17, 2016
    Date of Patent: August 28, 2018
    Assignee: Henkel AG & Co. KGaA
    Inventors: David Briers, Johann Klein, Esteban Mejia, Udo Kragl, Ralf Dunekake, Marleen Winterberg, Jens Baumgard
  • Publication number: 20180094171
    Abstract: 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: Application
    Filed: December 4, 2017
    Publication date: April 5, 2018
    Inventors: David BRIERS, Gunther Dreezen, Jianfen Cai, Callum Poole, Anthony Chapman, Dale R. Starkey
  • Publication number: 20170362371
    Abstract: 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: Application
    Filed: September 7, 2017
    Publication date: December 21, 2017
    Inventors: Ralf Bätzgen, Jan-Erik Damke, David Briers, Johann Klein
  • Publication number: 20170096438
    Abstract: 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: Application
    Filed: October 17, 2016
    Publication date: April 6, 2017
    Inventors: David Briers, Johann Klein, Esteban Mejia, Udo Kragl, Ralf Dunekake, Marleen Winterberg, Jens Baumgard
  • Patent number: 8969457
    Abstract: 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: Grant
    Filed: March 13, 2013
    Date of Patent: March 3, 2015
    Assignee: Henkel AG & Co. KGaA
    Inventor: David Briers