Patents by Inventor Rainer Kohlstrung

Rainer Kohlstrung 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: 11578181
    Abstract: The present invention relates to a thermally expandable composition comprising at least one peroxidically crosslinking polymer which does not contain glycidyl (meth) acrylate as a monomer in copolymerized form; at least one polymer, which is polymerized with glycidyl (meth) acrylate as a monomer present in a proportion of from 2 to 20% by weight, based on the respective polymer; at least one peroxide; and at least one endothermic chemical propellant, moldings containing this composition, and a method for sealing and filling cavities in components, for reinforcing or stiffening components, in particular hollow components, and for bonding movable components using such molded bodies.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: February 14, 2023
    Assignee: Henkel AG & Co. KGaA
    Inventors: Rainer Kohlstrung, Klaus Rappmann
  • Patent number: 11505669
    Abstract: The present application relates to a thermally expandable composition containing at least one peroxide cross-linking polymer, at least one peroxide and at least one endothermic, chemical blowing agent, the blowing agent comprising at least one solid, optionally functionalized, polycarboxylic acid or the salt thereof and at least one urea derivative according to the formula (I) as defined herein; as well as shaped bodies containing the composition and to a method for sealing and filling voids in components, for strengthening or reinforcing components, in particular hollow components, and for bonding mobile components using shaped bodies of this type.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: November 22, 2022
    Assignee: Henkel AG & Co. KGaA
    Inventors: Rainer Kohlstrung, Klaus Rappmann, Sascha Poeller
  • Patent number: 11441004
    Abstract: The present application relates to a thermally expandable composition containing at least one peroxide cross-linking polymer, at least one peroxide, at least one polysaccharide and at least one endothermic, chemical blowing agent; as well as to shaped bodies containing said composition and to a method for sealing and filling voids in components, for strengthening or reinforcing components, in particular hollow components, and for bonding mobile components using shaped bodies of this type.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: September 13, 2022
    Assignee: Henkel AG & Co. KGaA
    Inventors: Rainer Kohlstrung, Klaus Rappmann
  • Publication number: 20220033604
    Abstract: A thermally expandable preparation pumpable at application temperatures in the range of 50 to 120° C., is provided containing: at least one polymer selected from binary copolymers containing at least one monomer unit selected from vinyl acetate, (meth)acrylic acids, styrene and derivatives thereof, and terpolymers based on at least one first monomer selected from the monounsaturated or polyunsaturated hydrocarbons, and at least one second monomer selected from (meth)acrylic acids and derivatives thereof, and at least one third monomer selected from epoxy-functionalized (meth)acrylates, as well as combinations of the first two; at least one liquid polymer selected from liquid hydrocarbon resins, liquid polyolefins and liquid polymers based on one or more diene monomers; at least one peroxide; at least one thermally activatable blowing agent; and at least one adhesion promoter; as well as methods to stiffen/reinforce or seal structural components by application of the preparation.
    Type: Application
    Filed: October 14, 2021
    Publication date: February 3, 2022
    Inventors: Rainer Kohlstrung, Klaus Rappmann
  • Patent number: 11180624
    Abstract: A thermally expandable composition that comprises at least one organic compound having at least one cyclic carbonate group as a blowing agent, at least one catalyst for the blowing agent, at least one reactive binder and at least one hardener and/or accelerator. Also provided are molded bodies containing the composition, and a method for sealing and filling hollow spaces in components, in order to strengthen or stiffen components, in particular hollow components, and for adhering movable components through use of molded bodies of this type, as well as to the use of corresponding cyclic organic carbonates as a blowing agent in thermally expandable compositions.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: November 23, 2021
    Inventors: Sascha Poeller, Rainer Schoenfeld, Thomas Bachon, Klaus Rappmann, Rainer Kohlstrung, Constance Prost-Boucle
  • Publication number: 20200102438
    Abstract: The present application relates to a thermally expandable composition which comprises at least one organic compound comprising at least two cyclic carbonate groups, at least one compound having at least one functional group with a pKa value of greater than 3 and at least one base, to shaped bodies which contain said composition, and to a method for sealing and filling voids in components, for strengthening or reinforcing components, in particular hollow components, and for bonding mobile components using shaped bodies of this type.
    Type: Application
    Filed: November 25, 2019
    Publication date: April 2, 2020
    Inventors: Sascha Poeller, Rainer Kohlstrung, Thomas Rongier
  • Patent number: 10301463
    Abstract: The subject matter of the present application is thermally-expandable preparations, containing (a) at least one peroxide-crosslinkable polymer, (b) at least one low-molecular, multifunctional acrylate, (c) at least one peroxide and (d) at least two different chemical propellants, the mass ratio of the at least one peroxide to the at least one low-molecular, multifunctional acrylate being at least 1:3.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: May 28, 2019
    Assignee: Henkel AG & Co. KGaA
    Inventors: Rainer Kohlstrung, Manfred Rein, Karl Wesch
  • Patent number: 10221291
    Abstract: The present application relates to a thermally expandable composition containing an endothermic chemical blowing agent, to shaped bodies containing said composition and to a method for sealing and filling cavities in components, for strengthening or reinforcing components, in particular hollow components, and for bonding movable components using shaped bodies of this type.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: March 5, 2019
    Assignee: Henkel AG & CO. KGaA
    Inventors: Rainer Kohlstrung, Klaus Rappmann
  • Publication number: 20180298156
    Abstract: A thermally expandable composition that comprises at least one organic compound having at least one cyclic carbonate group as a blowing agent, at least one catalyst for the blowing agent, at least one reactive binder and at least one hardener and/or accelerator. The invention also relates to molded bodies containing said composition, and a method for sealing and filling hollow spaces in components, in order to strengthen or stiffen components, in particular hollow components, and for adhering movable components through use of molded bodies of this type, as well as to the use of corresponding cyclic organic carbonates as a blowing agent in thermally expandable compositions.
    Type: Application
    Filed: June 18, 2018
    Publication date: October 18, 2018
    Inventors: Sascha Poeller, Rainer Schoenfeld, Thomas Bachon, Klaus Rappmann, Rainer Kohlstrung, Constance Prost-Boucle
  • Publication number: 20180215888
    Abstract: The present application relates to a thermally expandable composition containing at least one peroxide cross-linking polymer, at least one peroxide and at least one endothermic, chemical blowing agent, the blowing agent comprising at least one solid, optionally functionalized, polycarboxylic acid or the salt thereof and at least one urea derivative according to the formula (I) as defined herein; as well as shaped bodies containing the composition and to a method for sealing and filling voids in components, for strengthening or reinforcing components, in particular hollow components, and for bonding mobile components using shaped bodies of this type.
    Type: Application
    Filed: March 26, 2018
    Publication date: August 2, 2018
    Inventors: Rainer Kohlstrung, Klaus Rappmann, Sascha Poeller
  • Publication number: 20180215887
    Abstract: The present application relates to a thermally expandable composition containing at least one peroxide cross-linking polymer, at least one peroxide, at least one polysaccharide and at least one endothermic, chemical blowing agent; as well as to shaped bodies containing said composition and to a method for sealing and filling voids in components, for strengthening or reinforcing components, in particular hollow components, and for bonding mobile components using shaped bodies of this type.
    Type: Application
    Filed: March 26, 2018
    Publication date: August 2, 2018
    Inventors: Rainer Kohlstrung, Klaus Rappmann
  • Publication number: 20170218155
    Abstract: The present invention relates to a thermally expandable composition comprising at least one peroxidically crosslinking polymer which does not contain glycidyl (meth) acrylate as a monomer in copolymerized form; at least one polymer, which is polymerized with glycidyl (meth) acrylate as a monomer present in a proportion of from 2 to 20% by weight, based on the respective polymer; at least one peroxide; and at least one endothermic chemical propellant, moldings containing this composition, and a method for sealing and filling cavities in components, for reinforcing or stiffening components, in particular hollow components, and for bonding movable components using such molded bodies.
    Type: Application
    Filed: April 11, 2017
    Publication date: August 3, 2017
    Inventors: Rainer Kohlstrung, Klaus Rappmann
  • Patent number: 9637067
    Abstract: The present specification relates to thermally expandable formulations comprising (a) at least one peroxidically crosslinkable binary copolymer comprising at least one monomer unit selected from vinyl acetate, (meth)acrylic acids and derivatives thereof, the binary copolymer having a melt flow index of not more than 3 g/10 min, as determined in accordance with DIN EN ISO 1133 and with a test load of 2.16 kg and a test temperature of 190° C., (b) at least one peroxide, (c) at least one chemical blowing agent, and (d) at least one polymer based on one or more diene monomers, and (e) at least one terpolymer based on at least one first monomer selected from singly or multiply unsaturated hydrocarbons, and on at least one second monomer selected from (meth)acrylic acids and derivatives thereof. The thermally expandable formulations exhibit a high level of persistence during the heating of the material as required for curing/expansion.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: May 2, 2017
    Assignee: Henkel AG & Co. KGaA
    Inventors: Rainer Kohlstrung, Takehito Yamada
  • Publication number: 20170002164
    Abstract: The present application relates to a thermally expandable composition containing an endothermic chemical blowing agent, to shaped bodies containing said composition and to a method for sealing and filling cavities in components, for strengthening or reinforcing components, in particular hollow components, and for bonding movable components using shaped bodies of this type.
    Type: Application
    Filed: September 15, 2016
    Publication date: January 5, 2017
    Inventors: Rainer Kohlstrung, Klaus Rappmann
  • Publication number: 20150246646
    Abstract: The present specification relates to thermally expandable formulations comprising (a) at least one peroxidically crosslinkable binary copolymer comprising at least one monomer unit selected from vinyl acetate, (meth)acrylic acids and derivatives thereof, the binary copolymer having a melt flow index of not more than 3 g/10 min, as determined in accordance with DIN EN ISO 1133 and with a test load of 2.16 kg and a test temperature of 190° C., (b) at least one peroxide, (c) at least one chemical blowing agent, and (d) at least one polymer based on one or more diene monomers, and (e) at least one terpolymer based on at least one first monomer selected from singly or multiply unsaturated hydrocarbons, and on at least one second monomer selected from (meth)acrylic acids and derivatives thereof. The thermally expandable formulations exhibit a high level of persistence during the heating of the material as required for curing/expansion.
    Type: Application
    Filed: May 14, 2015
    Publication date: September 3, 2015
    Inventors: Rainer Kohlstrung, Takehito Yamada
  • Publication number: 20140131910
    Abstract: The subject matter of the present application is thermally-expandable preparations, containing (a) at least one peroxide-crosslinkable polymer, (b) at least one low-molecular, multifunctional acrylate, (c) at least one peroxide and (d) at least two different chemical propellants, the mass ratio of the at least one peroxide to the at least one low-molecular, multifunctional acrylate being at least 1:3.
    Type: Application
    Filed: January 22, 2014
    Publication date: May 15, 2014
    Inventors: Rainer Kohlstrung, Manfred Rainer, Karl Wesch
  • Patent number: 8436105
    Abstract: The invention relates to a composition that can be thermally cured, containing relative to the total composition, a) 5 to 90% by weight of a diene-based polymer or copolymer containing an olefinic double bond and/or an aromatically substituted olefin, wherein the polymer or copolymer is liquid, or paste-like, at 22° C. and has a glass transition temperature between ?30° C. and +15° C., measured according to a DSC method; b) a vulcanization system selected from the group consisting of: b1) sulfur, and one or more accelerator(s), b2) peroxidic or disulfidic vulcanization systems, b3) quinones, quinone dioximes, or dinitrosobenzene.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: May 7, 2013
    Assignee: Henkel AG & Co. KGaA
    Inventors: Rainer Kohlstrung, Takehito Yamada
  • Patent number: 8415418
    Abstract: Heat-curing reactive composition based on natural and/or synthetic polymers containing olefinic double bonds, and vulcanizing agents, which composition contains a) at least one liquid cis-1,4-polyisoprene with a weight-average molecular weight of between 20000 and 70000, b) a vulcanization system, c) at least one polybutadiene liquid at 22° C., in which the liquid cis-1,4-polyisoprene a) constitutes a proportion of the entire composition in the range from 9 to 15 wt. %, the vulcanization system b) is selected from the group consisting of: b1) sulfur and one or more vulcanization accelerator(s), b2) peroxide or disulfide vulcanization systems, b3) quinones, quinone dioximes or dinitrosobenzene, and the polybutadiene c) liquid at 22° C. constitutes a proportion of the entire composition in the range from 16 to 29 wt %.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: April 9, 2013
    Assignee: Henkel AG & Co. KGaA
    Inventors: Rainer Kohlstrung, Klaus Rappmann
  • Publication number: 20120148856
    Abstract: Heat-curing reactive composition based on natural and/or synthetic polymers containing olefinic double bonds, and vulcanizing agents, which composition contains a) at least one liquid cis-1,4-polyisoprene with a weight-average molecular weight of between 20000 and 70000, b) a vulcanization system, c) at least one polybutadiene liquid at 22° C., in which the liquid cis-1,4-polyisoprene a) constitutes a proportion of the entire composition in the range from 9 to 15 wt. %, the vulcanization system b) is selected from the group consisting of: b1) sulfur and one or more vulcanization accelerator(s), b2) peroxide or disulfide vulcanization systems, b3) quinones, quinone dioximes or dinitrosobenzene, and the polybutadiene c) liquid at 22° C. constitutes a proportion of the entire composition in the range from 16 to 29 wt %.
    Type: Application
    Filed: February 17, 2012
    Publication date: June 14, 2012
    Applicant: Henkel AG & Co. KGaa
    Inventors: Rainer Kohlstrung, Klaus Rappmann
  • Publication number: 20120136129
    Abstract: The invention relates to a composition that can be thermally cured, containing relative to the total composition, a) 5 to 90% by weight of a diene-based polymer or copolymer containing an olefinic double bond and/or an aromatically substituted olefin, wherein the polymer or copolymer is liquid, or paste-like, at 22° C. and has a glass transition temperature between ?30° C. and +15° C., measured according to a DSC method; b) a vulcanization system selected from the group consisting of: b1) sulfur, and one or more accelerator(s), b2) peroxidic or disulfidic vulcanization systems, b3) quinones, quinone dioximes, or dinitrosobenzene.
    Type: Application
    Filed: November 29, 2011
    Publication date: May 31, 2012
    Applicant: Henkel AG & Co., KGaA
    Inventors: Rainer KOHLSTRUNG, Takehito Yamada