Patents by Inventor Thomas Eckel

Thomas Eckel 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: 11634578
    Abstract: The invention relates to a composition for production of a thermoplastic moulding compound, wherein the composition comprises or consists of the following constituents: A) 42% to 80% by weight of at least one polymer selected from the group consisting of aromatic polycarbonate and aromatic polyestercarbonate, B) 2% to 38% by weight of at least one polysiloxane-polycarbonate block co-condensate, C) 1% to 15% by weight of at least one rubber-modified graft polymer comprising C.1) 5% to 95% by weight based on the graft polymer C of a shell composed of at least one vinyl monomer and C.2) 95% to 5% by weight based on the graft polymer C of a graft substrate composed of silicone-acrylate composite rubber, D) 2% to 10% by weight of at least one phosphazene, E) 0% to 10% by weight of at least one additive, to the moulding compound itself, to the use of the composition or moulding compound for production of moulded articles and to the moulded articles themselves.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: April 25, 2023
    Assignee: Covestro Intellectual Property GmbH & Co. KG
    Inventors: Thomas Eckel, Alexander Meyer
  • Publication number: 20220275155
    Abstract: The invention relates to a polyphosphazene produced by a method comprising the steps a) and b): a) converting an in particular cyclical phosphazene by means of phenol in the presence of a base; b) further converting by means of a special aromatic diphenol in the presence of a base, wherein the molar ratio of phenol used to cyclical phosphazene used is in the range from 3.5:1 to 1:1. The invention also relates to a method for producing the polyphosphazene and to a molding compound containing the polyphosphazene and a thermoplastic polymer.
    Type: Application
    Filed: August 27, 2020
    Publication date: September 1, 2022
    Inventors: Maxime Paven, Vera Taschner, Sven Hobeika, Thomas Eckel, Stamo Mentizi, Igor Pochorovski, Andrij Pich, Ayse Deniz, Sven Buschmann
  • Publication number: 20210403707
    Abstract: The invention relates to a composition for production of a thermoplastic moulding compound, wherein the composition comprises or consists of the following constituents: A) 42% to 80% by weight of at least one polymer selected from the group consisting of aromatic polycarbonate and aromatic polyestercarbonate, B) 2% to 38% by weight of at least one polysiloxane-polycarbonate block co-condensate, C) 1% to 15% by weight of at least one rubber-modified graft polymer comprising C.1) 5% to 95% by weight based on the graft polymer C of a shell composed of at least one vinyl monomer and C.2) 95% to 5% by weight based on the graft polymer C of a graft substrate composed of silicone-acrylate composite rubber, D) 2% to 10% by weight of at least one phosphazene, E) 0% to 10% by weight of at least one additive, to the moulding compound itself, to the use of the composition or moulding compound for production of moulded articles and to the moulded articles themselves.
    Type: Application
    Filed: November 4, 2019
    Publication date: December 30, 2021
    Inventors: Thomas Eckel, Alexander Meyer
  • Publication number: 20210403705
    Abstract: The invention relates to a composition for production of a thermoplastic moulding compound, wherein the composition comprises or consists of at least the following constituents: A) 50.0% to 95.0% by weight of at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyestercarbonate and aromatic polyester, B) 1.0% to 40.0% by weight of polymer free of epoxy groups, consisting of B1) rubber-modified graft polymer, prepared by emulsion polymerization and B2) optionally rubber-free vinyl (co)polymer, C) 0.1% to 7.5% by weight of a polymer containing structural elements that derive from styrene and an epoxy-containing vinyl monomer, D) 1.0% to 20.0% by weight of phosphorus-containing flame retardant, E) 0.1% to 10.0% by weight of additives, and F) 0% to 10.0% by weight of one or more fillers, where component C) has a weight ratio of structural elements that derive from styrene to those that derive from epoxy-containing vinyl monomers of 100:1 to 1:1.
    Type: Application
    Filed: June 22, 2018
    Publication date: December 30, 2021
    Inventors: Thomas Eckel, Sven Hobeika, Ralf Hufen, Andreas Seidel, Burkhard Thuermer
  • Publication number: 20210332234
    Abstract: The invention relates to a composition for production of a thermoplastic moulding compound, wherein the composition comprises or consists of the following constituents: A) 30% to 90% by weight of at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyester carbonate and aromatic polyester, B) 5% to 65% by weight of rubber-modified vinyl (co)polymer prepared by the bulk polymerization method which is free of epoxy groups, C) 0.
    Type: Application
    Filed: December 22, 2017
    Publication date: October 28, 2021
    Inventors: Andreas Seidel, Sven HOBEIKA, Ralf HUFEN, Thomas ECKEL
  • Patent number: 11111380
    Abstract: The invention relates to a composition for production of a thermoplastic moulding compound, wherein the composition comprises or consists of the following constituents, A) at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyester carbonate and aromatic polyester, B) polymer free of epoxy groups, consisting of B.1) rubber-modified vinyl (co)polymer prepared by the emulsion polymerization method and B.2) optionally, a rubber-free vinyl (co)polymer, C) a block or graft polymer comprising structural elements deriving from styrene and at least one epoxy-comprising vinyl monomer, D) one or more further additives, and to a process for producing a moulding compound from the composition, to the moulding compound itself, to the use of the composition or the moulding compound for production of mouldings, and to the mouldings themselves.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: September 7, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Andreas Seidel, Sven Hobeika, Ralf Hufen, Thomas Eckel
  • Patent number: 11104797
    Abstract: The invention relates to a composition for production of a thermoplastic moulding compound, wherein the composition comprises or consists of the following constituents: A) 30% to 90% by weight of at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyester carbonate and aromatic polyester, B) 5% to 65% by weight of polymer free of epoxy groups, consisting of B1) rubber-modified vinyl (co)polymer prepared by the emulsion polymerization method using a redox initiator system consisting of an organic oxidizing agent and a reducing agent and B2) optionally rubber-free vinyl (co)polymer, C) 0.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: August 31, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Andreas Seidel, Sven Hobeika, Ralf Hufen, Thomas Eckel
  • Publication number: 20210115248
    Abstract: The invention relates to a composition for production of a thermoplastic moulding compound, wherein the composition comprises or consists of the following constituents: A) 50-90% by weight of aromatic polycarbonate or polyestercarbonate having a relative solution viscosity of at least 1.285, measured in CH2Cl2 as solvent at 25° C. and a concentration of 0.5 g/100 ml, B) 1-10% by weight of rubber-modified graft polymer, C) 2.5-10% by weight of boron nitride, D) 4-20% by weight of talc, E) 2-20% by weight of phosphorus-containing flame retardant, F) 0-20% by weight of further additives, and to a process for producing the thermoplastic moulding compound, to the moulding compound itself, to the use of the moulding compound for production of mouldings and to the mouldings themselves.
    Type: Application
    Filed: December 13, 2018
    Publication date: April 22, 2021
    Inventors: Vera Taschner, Dirk Kurzidim, Thomas Hoehnk, Klaus Kraner, Birte Saemisch, Thomas Eckel, Eckhard Wenz, Reiner Rudolf, Sven Hobeika, Matthias Kroh
  • Publication number: 20210070986
    Abstract: The invention relates to compositions for the production of thermoplastic moulding materials, where the compositions comprise the following constituents: A) at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyester carbonate and polyester, B) at least one anhydride-functionalized ethylene-?-olefin-copolymer or anhydride-functionalized ethylene-?-olefin terpolymer with a weight-average molar mass Mw determined by high-temperature gel permeation chromatography using ortho-dichlorobenzene as solvent against polystyrene standards of 50000 to 500000 g/mol, C) at least one rubber-modified graft polymer, D) glass fibers, and also to a process for the production of the moulding materials, to the moulding materials themselves, to the use of the compositions or moulding materials for the production of mouldings, and to the mouldings themselves.
    Type: Application
    Filed: April 4, 2019
    Publication date: March 11, 2021
    Inventors: Derk Wandner, Sven Hobeika, Thomas Eckel, Marina Rogunova
  • Patent number: 10934429
    Abstract: Compositions are provided comprising A) at least one polymer selected from the group consisting of aromatic polycarbonate and aromatic polyester carbonate, B) at least one mixture comprising at least one butadiene-based graft polymer prepared by emulsion, suspension or solution polymerization and at least one polybutadiene-free vinyl (co)polymer, and C) at least one polymer additive, where the polybutadiene content based on the sum total of the parts by weight of components A and B is 10% to 20% by weight, and where the total content of butadiene-free vinyl (co)polymer from component B based on the sum total of the parts by weight of components A and B is 12% to 23% by weight. Composite components formed from these compositions and a polyurethane layer, which are notable for improved adhesion between the two layers, and a process for producing the composite components are also provided.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: March 2, 2021
    Assignee: COVESTRO DEUTSCHLAND AG
    Inventors: Ralf Hufen, Thomas Eckel, Sven Hobeika, Timo Kuhlmann, Johannes Scherer
  • Publication number: 20210047512
    Abstract: A composition for production of a thermoplastic moulding compound, wherein the composition comprises the following constituents: A) 45.0% to 95.0% by weight of at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyestercarbonate and aromatic polyester, B) 1.0% to 35.0% by weight of polymer free of epoxy groups, consisting of B1) rubber-modified graft polymer and B2) optionally rubber-free vinyl (co)polymer, C) 0.1% to 10.0% by weight of a polymer comprising structural elements that derive from styrene and an epoxy-comprising vinyl monomer, D) 1.0% to 20.0% by weight of phosphorus-comprising flame retardant, E) 1.0% to 35.0% by weight of filler, and F) 0.1% to 10.0% by weight of additives, wherein component C has a weight ratio of structural elements that derive from styrene to those that derive from epoxy-comprising vinyl monomers of 100:1 to 1:1. Related processes, compounds, and moulded articles are also provided.
    Type: Application
    Filed: June 22, 2018
    Publication date: February 18, 2021
    Inventors: Thomas Eckel, Sven Hobeika, Ralf Hufen, Andreas Seidel, Burkhard Thuermer
  • Publication number: 20200308397
    Abstract: The invention relates to a composition for production of a thermoplastic moulding compound, wherein the composition comprises or consists of the following constituents, A) at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyester carbonate and aromatic polyester, B) polymer free of epoxy groups, consisting of B.1) rubber-modified vinyl (co)polymer prepared by the emulsion polymerization method and B.2) optionally, a rubber-free vinyl (co)polymer, C) a block or graft polymer comprising structural elements deriving from styrene and at least one epoxy-comprising vinyl monomer, D) one or more further additives, and to a process for producing a moulding compound from the composition, to the moulding compound itself, to the use of the composition or the moulding compound for production of mouldings, and to the mouldings themselves.
    Type: Application
    Filed: December 22, 2017
    Publication date: October 1, 2020
    Inventors: Andreas Seidel, Sven Hobeika, Ralf Hufen, Thomas Eckel
  • Publication number: 20200270451
    Abstract: The invention relates to a composition for production of a thermoplastic moulding compound, wherein the composition comprises or consists of at least the following constituents: A) 50.0% to 95.0% by weight of at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyestercarbonate and aromatic polyester, B) 1.0% to 35.0% by weight of at least one polymer free of epoxy groups, consisting of B1) a rubber-modified graft polymer having an elastomeric acrylate rubber graft base, B2) optionally a rubber-modified graft polymer based on vinylaromatics, ring-substituted vinylaromatics and/or (C1-C8)-alkyl methacrylates and having a different graft base from component B1), and B3) optionally a rubber-free vinyl (co)polymer, C) 0.1% to 10.0% by weight of a polymer containing structural elements that derive from styrene and an epoxy-containing vinyl monomer, D) 1.0% to 20.0% by weight of phosphorus-containing flame retardant, and E) 0.1% to 20.
    Type: Application
    Filed: June 22, 2018
    Publication date: August 27, 2020
    Inventors: Thomas Eckel, Sven Hobeika, Ralf Hufen, Andreas Seidel, Burkhard Thuermer
  • Patent number: 10501624
    Abstract: Compositions comprising A) at least one polymer selected from the group consisting of aromatic polycarbonate and aromatic polyestercarbonate, B) at least one polyester, wherein the polyester is derived from succinic acid and optionally further dicarboxylic acids and aliphatic, cycloaliphatic, araliphatic diols or aromatic diols, C) at least one cyclic phosphazene of structure (IV) wherein R is in each case identical or different and represents an amine radical, in each case optionally halogenated C1- to C8-alkyl, C1- to C8-alkoxy in each case optionally alkyl- and/or halogen-substituted C5- to C6-cycloalkyl, in each case optionally alkyl- and/or halogen- and/or hydroxyl-substituted C6- to C20-aryloxy, in each case optionally alkyl- and/or halogen- and/or bromine-substituted C7- to C12-aralkyl, a halogen radical or an OH radical, k is a whole number from 1 to 10 D) optionally graft polymer, E) optionally vinyl (co)polymer and/or polyalkylene terephthalate, F) optionally additives and also the us
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: December 10, 2019
    Assignee: Covestro Deutschland AG
    Inventors: Mathieu Jung, Ralf Hufen, Thomas Eckel
  • Publication number: 20190345328
    Abstract: The invention relates to a composition for production of a thermoplastic moulding compound, wherein the composition comprises or consists of the following constituents: A) 30% to 90% by weight of at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyester carbonate and aromatic polyester, B) 5% to 65% by weight of polymer free of epoxy groups, consisting of B1) rubber-modified vinyl (co)polymer prepared by the emulsion polymerization method using a redox initiator system consisting of an organic oxidizing agent and a reducing agent and B2) optionally rubber-free vinyl (co)polymer, C) 0.
    Type: Application
    Filed: December 22, 2017
    Publication date: November 14, 2019
    Inventors: Andreas SEIDEL, Sven HOBEIKA, Ralf HUFEN, Thomas ECKEL
  • Publication number: 20190153218
    Abstract: Compositions are provided comprising A) at least one polymer selected from the group consisting of aromatic polycarbonate and aromatic polyester carbonate, B) at least one mixture comprising at least one butadiene-based graft polymer prepared by emulsion, suspension or solution polymerization and at least one polybutadiene-free vinyl (co)polymer, and C) at least one polymer additive, where the polybutadiene content based on the sum total of the parts by weight of components A and B is 10% to 20% by weight, and where the total content of butadiene-free vinyl (co)polymer from component B based on the sum total of the parts by weight of components A and B is 12% to 23% by weight. Composite components formed from these compositions and a polyurethane layer, which are notable for improved adhesion between the two layers, and a process for producing the composite components are also provided.
    Type: Application
    Filed: January 28, 2019
    Publication date: May 23, 2019
    Inventors: Ralf Hufen, Thomas Eckel, Sven Hobeika, Timo Kuhlmann, Johannes Scherer
  • Publication number: 20190077953
    Abstract: Compositions comprising A) at least one polymer selected from the group consisting of aromatic polycarbonate and aromatic polyestercarbonate, B) at least one polyester, wherein the polyester is derived from succinic acid and optionally further dicarboxylic acids and aliphatic, cycloaliphatic, araliphatic diols or aromatic diols, C) at least one cyclic phosphazene of structure (IV) wherein R is in each case identical or different and represents an amine radical, in each case optionally halogenated C1- to C8-alkyl, C1- to C8-alkoxy in each case optionally alkyl- and/or halogen-substituted C5- to C6-cycloalkyl, in each case optionally alkyl- and/or halogen- and/or hydroxyl-substituted C6- to C20-aryloxy, in each case optionally alkyl- and/or halogen- and/or bromine-substituted C7- to C12-aralkyl, a halogen radical or an OH radical, k is a whole number from 1 to 10 D) optionally graft polymer, E) optionally vinyl (co)polymer and/or polyalkylene terephthalate, F) optionally additives and also the use
    Type: Application
    Filed: June 18, 2015
    Publication date: March 14, 2019
    Inventors: MATHIEU JUNG, Ralf HUFEN, Thomas ECKEL
  • Publication number: 20190031877
    Abstract: The invention relates to compositions containing A) 62 to 96 wt. % of at least one polymer selected from the group consisting of linear aromatic polycarbonate and linear aromatic polyester carbonate, B) 1 to 15 wt. % of at least one graft polymer produced by emulsion polymerization C) 0 to 5.8 wt. % of a rubber-free vinyl (co)polymer, D) 1 to 20 wt. % of at least one phosphorous-containing flame retardant, E) 0.8 to 4.0 wt. % of a mineral filler based on talc with a particle size d50 of 0.2 to 10 ?m, and F) 0.1 to 20.0 wt. % of at least one polymer additive, wherein the compositions do not contain a graft polymer produced in a bulk polymerization process. The invention also relates the use of the compositions in order to produce molded bodies and to the molded bodies themselves.
    Type: Application
    Filed: March 22, 2017
    Publication date: January 31, 2019
    Inventors: Thomas Eckel, Kristina Pupovac
  • Patent number: 10138370
    Abstract: The present invention relates to compositions and composite components formed from these compositions and a polyurethane layer, which are notable for improved adhesion between the two layers, and a process for producing the composite components.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: November 27, 2018
    Assignee: COVESTRO DEUTSCHLAND AG
    Inventors: Ralf Hufen, Thomas Eckel, Sven Hobeika, Timo Kuhlmann, Jan Helmig
  • Publication number: 20180312690
    Abstract: Compositions containing A) 70 to 95 parts by weight of at least one polymer selected from the group comprising aromatic polycarbonate and aromatic polyester carbonate, B) 1 to 10 parts by weight of a mixture containing at least one polybutadiene-containing vinyl (co)polymer and at least one polybutadiene-free vinyl (co)polymer, C) 1 to 20 parts by weight of at least one flameproofing agent containing phosphorus, selected from the group comprising phosphonate amines, phosphazenes, and monomeric and oligomeric phosphoric acid and phosphonic acid esters of general formula (V) and D) 0.1 to 20.0 parts by weight (with respect to the sum of components A to C) of at least one polymer additive are provided.
    Type: Application
    Filed: July 5, 2018
    Publication date: November 1, 2018
    Inventors: Ralf Hufen, Thomas Eckel, Sven Hobeika, Timo Kuhlmann, Peter Rolf