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).
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Patent number: 11578181Abstract: 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: GrantFiled: April 11, 2017Date of Patent: February 14, 2023Assignee: Henkel AG & Co. KGaAInventors: Rainer Kohlstrung, Klaus Rappmann
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Patent number: 11505669Abstract: 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: GrantFiled: March 26, 2018Date of Patent: November 22, 2022Assignee: Henkel AG & Co. KGaAInventors: Rainer Kohlstrung, Klaus Rappmann, Sascha Poeller
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Patent number: 11441004Abstract: 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: GrantFiled: March 26, 2018Date of Patent: September 13, 2022Assignee: Henkel AG & Co. KGaAInventors: Rainer Kohlstrung, Klaus Rappmann
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Publication number: 20220033604Abstract: 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: ApplicationFiled: October 14, 2021Publication date: February 3, 2022Inventors: Rainer Kohlstrung, Klaus Rappmann
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Patent number: 11180624Abstract: 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: GrantFiled: June 18, 2018Date of Patent: November 23, 2021Inventors: Sascha Poeller, Rainer Schoenfeld, Thomas Bachon, Klaus Rappmann, Rainer Kohlstrung, Constance Prost-Boucle
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Publication number: 20200102438Abstract: 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: ApplicationFiled: November 25, 2019Publication date: April 2, 2020Inventors: Sascha Poeller, Rainer Kohlstrung, Thomas Rongier
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Patent number: 10301463Abstract: 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: GrantFiled: January 22, 2014Date of Patent: May 28, 2019Assignee: Henkel AG & Co. KGaAInventors: Rainer Kohlstrung, Manfred Rein, Karl Wesch
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Patent number: 10221291Abstract: 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: GrantFiled: September 15, 2016Date of Patent: March 5, 2019Assignee: Henkel AG & CO. KGaAInventors: Rainer Kohlstrung, Klaus Rappmann
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Publication number: 20180298156Abstract: 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: ApplicationFiled: June 18, 2018Publication date: October 18, 2018Inventors: Sascha Poeller, Rainer Schoenfeld, Thomas Bachon, Klaus Rappmann, Rainer Kohlstrung, Constance Prost-Boucle
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Publication number: 20180215888Abstract: 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: ApplicationFiled: March 26, 2018Publication date: August 2, 2018Inventors: Rainer Kohlstrung, Klaus Rappmann, Sascha Poeller
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Publication number: 20180215887Abstract: 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: ApplicationFiled: March 26, 2018Publication date: August 2, 2018Inventors: Rainer Kohlstrung, Klaus Rappmann
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Publication number: 20170218155Abstract: 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: ApplicationFiled: April 11, 2017Publication date: August 3, 2017Inventors: Rainer Kohlstrung, Klaus Rappmann
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Patent number: 9637067Abstract: 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: GrantFiled: May 14, 2015Date of Patent: May 2, 2017Assignee: Henkel AG & Co. KGaAInventors: Rainer Kohlstrung, Takehito Yamada
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Publication number: 20170002164Abstract: 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: ApplicationFiled: September 15, 2016Publication date: January 5, 2017Inventors: Rainer Kohlstrung, Klaus Rappmann
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Publication number: 20150246646Abstract: 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: ApplicationFiled: May 14, 2015Publication date: September 3, 2015Inventors: Rainer Kohlstrung, Takehito Yamada
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Publication number: 20140131910Abstract: 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: ApplicationFiled: January 22, 2014Publication date: May 15, 2014Inventors: Rainer Kohlstrung, Manfred Rainer, Karl Wesch
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Patent number: 8436105Abstract: 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: GrantFiled: November 29, 2011Date of Patent: May 7, 2013Assignee: Henkel AG & Co. KGaAInventors: Rainer Kohlstrung, Takehito Yamada
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Patent number: 8415418Abstract: 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: GrantFiled: February 17, 2012Date of Patent: April 9, 2013Assignee: Henkel AG & Co. KGaAInventors: Rainer Kohlstrung, Klaus Rappmann
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Publication number: 20120148856Abstract: 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: ApplicationFiled: February 17, 2012Publication date: June 14, 2012Applicant: Henkel AG & Co. KGaaInventors: Rainer Kohlstrung, Klaus Rappmann
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Publication number: 20120136129Abstract: 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: ApplicationFiled: November 29, 2011Publication date: May 31, 2012Applicant: Henkel AG & Co., KGaAInventors: Rainer KOHLSTRUNG, Takehito Yamada