Patents by Inventor Holger Mundstock
Holger Mundstock 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: 11911735Abstract: The invention relates to a multiple-chamber container (1, 1*) for storing and mixing a multi-component liquid coating or adhesive system (M), comprising a first chamber (10) for a first mixing component (B) and at least one other chamber (20) for another mixing component (H), the first chamber (10) and the at least one other chamber (20) being separated by at least one separating wall (30) in liquid-tight fashion and the separating wall (30) comprising a pierceable separating layer (40). The multiple-chamber container further comprises at least one piercing element (50) for piercing the pierceable separating layer (40) in such a way that the first and the one other mixing component (B, H) mix in the first or the at least one other chamber (10, 20). The multiple-chamber container (1, 1*) is characterized in that the at least one other chamber (20) is coaxial to the first chamber (10), the separating layer (40) being partially formed in the separating wall (30).Type: GrantFiled: February 21, 2019Date of Patent: February 27, 2024Assignee: Covestro Deutschland AGInventors: Marc Schreiber, Jan Weikard, Holger Mundstock, Robert Maleika, Sascha Frischke, Wilfred Teunissen, Herman Van Der Vegt, Michiel De Haan
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Publication number: 20230211530Abstract: The present invention relates to the use of polyisocyanate compositions and trimerization catalysts for production of coatings by reaction injection molding, to the coatings obtained by the use and to correspondingly coated workpieces.Type: ApplicationFiled: June 25, 2021Publication date: July 6, 2023Inventors: Jan Weikard, Yvonne Reimann, Florian Golling, Frank Richter, Michael Glawe, Richard Meisenheimer, Holger Mundstock, Dirk Achten
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Patent number: 11608406Abstract: A process for preparing a polyurethane polymer comprises the step of: I) mixing a first component (100) comprising a polyisocyanate with a second reactant component (200) comprising a compound having Zerewitinoff-active hydrogen atoms in a mixing vessel (300) to obtain a reaction mixture (400), wherein the first reactant component (100) and/or the second reactant component (200) are contacted with a catalyst bed (500) before they are mixed in the mixing vessel (300) and/or the reaction mixture (400) is contacted with a catalyst bed (500), wherein the catalyst bed (500) contains a catalyst reversibly sorbed on a substrate, the catalyst catalyses the reaction of isocyanate groups with themselves or with Zerewitinoff-active compounds and the catalyst is released into the first component (100), second component (200) or reaction mixture (400) that is in contact with the catalyst bed (500), such that a reaction mixture (410) containing the catalyst is obtained.Type: GrantFiled: February 25, 2019Date of Patent: March 21, 2023Assignee: Covestro Deutschland AGInventors: Jan Weikard, Holger Mundstock, Dagmar Huertgen, Goenuel-Hava Yelkaya, Marc Schreiber
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Publication number: 20220098437Abstract: The present invention relates to two-component clear-coat systems comprising polyaspartic esters having primary amino groups and small amounts of dialkyl fumarates, to a process for the production thereof, and to the use thereof in the production of coatings for vehicle repair applications and to substrates coated therewith.Type: ApplicationFiled: February 20, 2020Publication date: March 31, 2022Inventors: Dorota Greszta-Franz, Jan Weikard, Holger Mundstock
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Publication number: 20210197153Abstract: The invention relates to a multiple-chamber container (1, 1*) for storing and mixing a multi-component liquid coating or adhesive system (M), comprising a first chamber (10) for a first mixing component (B) and at least one other chamber (20) for another mixing component (H), the first chamber (10) and the at least one other chamber (20) being separated by at least one separating wall (30) in liquid-tight fashion and the separating wall (30) comprising a pierceable separating layer (40). The multiple-chamber container further comprises at least one piercing element (50) for piercing the pierceable separating layer (40) in such a way that the first and the one other mixing component (B, H) mix in the first or the at least one other chamber (10, 20). The multiple-chamber container (1, 1*) is characterized in that the at least one other chamber (20) is coaxial to the first chamber (10), the separating layer (40) being partially formed in the separating wall (30).Type: ApplicationFiled: February 21, 2019Publication date: July 1, 2021Inventors: Marc SCHREIBER, Jan WEIKARD, Holger MUNDSTOCK, Robert MALEIKA, Sascha FRISCHKE, Wilfried TEUNISSEN, Herman VAN DER VEGT, Michiel DE HAAN
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Publication number: 20200407484Abstract: A process for preparing a polyurethane polymer comprises the step of: I) mixing a first component (100) comprising a polyisocyanate with a second reactant component (200) comprising a compound having Zerewitinoff-active hydrogen atoms in a mixing vessel (300) to obtain a reaction mixture (400), wherein the first reactant component (100) and/or the second reactant component (200) are contacted with a catalyst bed (500) before they are mixed in the mixing vessel (300) and/or the reaction mixture (400) is contacted with a catalyst bed (500), wherein the catalyst bed (500) contains a catalyst reversibly sorbed on a substrate, the catalyst catalyses the reaction of isocyanate groups with themselves or with Zerewitinoff-active compounds and the catalyst is released into the first component (100), second component (200) or reaction mixture (400) that is in contact with the catalyst bed (500), such that a reaction mixture (410) containing the catalyst is obtained.Type: ApplicationFiled: February 25, 2019Publication date: December 31, 2020Inventors: Jan WEIKARD, Holger MUNDSTOCK, Dagmar HUERTGEN, Goenuel-Hava YELKAYA, Marc SCHREIBER
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Patent number: 10173355Abstract: The invention relates to as method for producing a molded part in an injection mold, which molded part is made of plastic and provided with a UV-cured paint, wherein the UV-cured paint forms a visible surface designed as a functional surface. The invention further relates to such a molded part provided with a UV-cured paint, said molded part having a visible surface designed as a functional surface, wherein the UV-cured paint forms said visible surface.Type: GrantFiled: September 18, 2013Date of Patent: January 8, 2019Assignee: Covestro Deutschland AGInventors: Konstantin Leonhardt, Roland Künzel, Björn Herdt, Hans-Jörg Dahmen, Holger Mundstock, Dirk Pophusen
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Publication number: 20150239159Abstract: The invention relates to as method for producing a molded part in an injection mold, which molded part is made of plastic and provided with a UV-cured paint, wherein the UV-cured paint forms a visible surface designed as a functional surface. The invention further relates to such a molded part provided with a UV-cured paint, said molded part having a visible surface designed as a functional surface, wherein the UV-cured paint forms said visible surface.Type: ApplicationFiled: September 18, 2013Publication date: August 27, 2015Inventors: Konstantin Leonhardt, Roland Künzel, Björn Herdt, Hans-Jörg Dahmen, Holger Mundstock, Dirk Pophusen
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Patent number: 9108357Abstract: The present invention relates to a process for overlaying a base substance with a multilayer decorative film in a vacuum forming, a multilayer decorative film for a secondary decoration used in such a vacuum forming process, to a multilayer decorative film excellent in adhesiveness, workability, and secondary physical properties such as heat resistance and hydrolysis resistance after forming and the use of such multilayer decorative film in a vacuum forming process.Type: GrantFiled: November 15, 2011Date of Patent: August 18, 2015Assignee: Bayer Intellectual Property GmbHInventors: Takahiko Ohwada, Jörg Büchner, Holger Mundstock
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Patent number: 9085656Abstract: The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting at temperatures of ?130° C. A) one or more compounds containing uretdione groups with B) one or more OH-functional compounds which contain groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation, (radiation-curing groups), C) optionally NCO-reactive compounds other than B), in the presence of D) a catalyst containing at least one tetrasubstituted ammonium or phosphonium salt of an aliphatic or cycloaliphatic carboxylic acid, to form allophanate groups by opening the uretdione ring. The present invention also relates to the binders obtained by the process of the invention.Type: GrantFiled: September 1, 2005Date of Patent: July 21, 2015Assignee: Allnex IP S.à.r.l.Inventors: Jan Weikard, Frank Richter, Christoph Gürtler, Wolfgang Fischer, Jörg Schmitz, Holger Mundstock
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Patent number: 8980970Abstract: The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups) and 3) optionally NCO-reactive groups, by reacting at temperatures ?130° C. A) one or more NCO-functional compounds containing uretdione groups with B) one or more compounds that contain isocyanate-reactive groups and groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups), and then C) with one or more saturated, hydroxyl-containing compounds other than B), at least one of these compounds having an OH functionality of ?2, in the presence of D) a catalyst containing one or more zinc compounds, the reaction with compounds C) taking place at least proportionally with the formation of allophanate groups. The present invention also relates to the binders obtained by the process of the invention.Type: GrantFiled: September 1, 2005Date of Patent: March 17, 2015Assignee: ALLNEX IP S.a.r.L.Inventors: Jan Weikard, Dorota Greszta-Franz, Wolfgang Fischer, Jörg Schmitz, Holger Mundstock, Christophe Detrembleur
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Patent number: 8604097Abstract: The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting, at temperatures of ?130° C., A) one or more compounds containing uretdione groups with B) one or more OH-functional compounds which contain groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation (radiation-curing groups), C) optionally NCO-reactive compounds other than B), in the presence of D) a catalyst containing at least one zinc compound, to form allophanate groups by opening the uretdione ring. The present invention also relates to the binders obtained by the process of the invention and to coating compositions containing these binders.Type: GrantFiled: January 27, 2011Date of Patent: December 10, 2013Assignee: Bayer MaterialScience AGInventors: Jan Weikard, Christophe Detrembleur, Dorota Greszta-Franz, Frank Richter, Wolfgang Fischer, Jörg Schmitz, Holger Mundstock
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Publication number: 20130236719Abstract: The present invention relates to a process for overlaying a base substance with a multilayer decorative film in a vacuum forming, a multilayer decorative film for a secondary decoration used in such a vacuum forming process, to a multilayer decorative film excellent in adhesiveness, workability, and secondary physical properties such as heat resistance and hydrolysis resistance after forming and the use of such multilayer decorative film in a vacuum forming process.Type: ApplicationFiled: November 15, 2011Publication date: September 12, 2013Inventors: Takahiko Ohwada, Jörg Büchner, Holger Mundstock
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Patent number: 8202618Abstract: The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups) and 3) optionally NCO-reactive groups, by reacting at temperatures ?130° C. A) one or more NCO-functional compounds containing uretdione groups with B) one or more compounds that contain isocyanate-reactive groups and groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups), and then C) with one or more saturated, hydroxyl-containing compounds other than B), at least one of these compounds having an OH functionality of ?2, in the presence of D) a catalyst containing one or more ammonium salts or phosphonium salts of aliphatic or cycloaliphatic carboxylic acids, the reaction with compounds C) taking place at least proportionally with the formation of allophanate groups.Type: GrantFiled: January 4, 2010Date of Patent: June 19, 2012Assignee: Bayer MaterialScience AGInventors: Jan Weikard, Christoph Gurtler, Wolfgang Fischer, Jorg Schmitt, Holger Mundstock
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Patent number: 7960446Abstract: A process for preparing binders containing allophanate groups which contain, at the oxygen atom of the allophanate group that is bonded via two single bonds, organic radicals with activated groups capable of participating in a polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation; the process includes reacting A) one or more compounds containing uretdione groups with B) one or more OH-functional compounds which contain groups capable of participating in a polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation, and C) optionally further NCO-reactive compounds, and D) in the presence of one or more compounds containing phenoxide groups, as catalysts. The binders can be used in preparing coatings, coating materials, coating compositions, adhesives, printing inks, casting resins, dental compounds, sizes, photoresists, stereolithography systems, resins for composite materials and sealants.Type: GrantFiled: February 22, 2008Date of Patent: June 14, 2011Assignee: Bayer MaterialScience AGInventors: Christophe Dètrembleur, Jan Weikard, Dorota Greszta-Franz, Frank Richter, Wolfgang Fischer, Jörg Schmitz, Holger Mundstock
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Publication number: 20110124805Abstract: The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting at temperatures of ?130° C. A) one or more compounds containing uretdione groups with B) one or more OH-functional compounds which contain groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation (radiation-curing groups), C) optionally NCO-reactive compounds other than B), in the presence of D) a catalyst containing at least one zinc compound, to form allophanate groups by opening the uretdione ring. The present invention also relates to the binders obtained by the process of the invention and to coating compositions containing these binders.Type: ApplicationFiled: January 27, 2011Publication date: May 26, 2011Applicant: Bayer MaterialScience AGInventors: Jan Weikard, Christophe Detrembleur, Dorota Greszta-Franz, Frank Richter, Wolfgang Fischer, Jörg Schmitz, Holger Mundstock
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Patent number: 7902315Abstract: The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting at temperatures of ?130° C. A) one or more compounds containing uretdione groups with B) one or more OH-functional compounds which contain groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation (radiation-curing groups), C) optionally NCO-reactive compounds other than B), in the presence of D) a catalyst containing at least one zinc compound, to form allophanate groups by opening the uretdione ring.Type: GrantFiled: September 1, 2005Date of Patent: March 8, 2011Assignee: Bayer MaterialScience AGInventors: Jan Weikard, Christophe Detrembleur, Dorota Greszta-Franz, Frank Richter, Wolfgang Fischer, Jörg Schmitz, Holger Mundstock
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Publication number: 20100105792Abstract: The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups) and 3) optionally NCO-reactive groups, by reacting at temperatures ?130° C. A) one or more NCO-functional compounds containing uretdione groups with B) one or more compounds that contain isocyanate-reactive groups and groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups), and then C) with one or more saturated, hydroxyl-containing compounds other than B), at least one of these compounds having an OH functionality of ?2, in the presence of D) a catalyst containing one or more ammonium salts or phosphonium salts of aliphatic or cycloaliphatic carboxylic acids, the reaction with compounds C) taking place at least proportionally with the formation of allophanate groups.Type: ApplicationFiled: January 4, 2010Publication date: April 29, 2010Inventors: Jan Weikard, Christoph Gürtler, Wolfgang Fischer, Jörg Schmitt, Holger Mundstock
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Patent number: 7666970Abstract: The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups) and 3) optionally NCO-reactive groups, by reacting at temperatures ?130° C. A) one or more NCO-functional compounds containing uretdione groups with B) one or more compounds that contain isocyanate-reactive groups and groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups), and then C) with one or more saturated, hydroxyl-containing compounds other than B), at least one of these compounds having an OH functionality of ?2, in the presence of D) a catalyst containing one or more ammonium salts or phosphonium salts of aliphatic or cycloaliphatic carboxylic acids, the reaction with compounds C) taking place at least proportionally with the formation of allophanate groups.Type: GrantFiled: September 1, 2005Date of Patent: February 23, 2010Assignee: Bayer MaterialScience AGInventors: Jan Weikard, Christoph Gürtler, Wolfgang Fischer, Jörg Schmitz, Holger Mundstock
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Patent number: 7659358Abstract: A process for preparing polymers containing polyortho ester groups and optionally NCO groups by reacting A) and B) where A) is a polyortho ester containing at least one isocyanate-reactive group prepared by reacting at least one or more acyclic ortho esters with low molecular weight polyols having a functionality of 4-8 and a number-average molecular weight of 80-500 g/mol and B) is least one polyisocyanate. The polymers obtained from the process can be used to produce coatings, adhesive bonds and/or seals. The coating compositions can include one or more of the above-described polymers, optionally polyisocyanates, catalysts, and optionally auxiliaries and additives and can be used to coat substrates.Type: GrantFiled: January 18, 2005Date of Patent: February 9, 2010Assignee: Bayer MaterialScience AGInventors: Hanns-Peter Müller, Meike Niesten, Jörg Schmitz, Holger Mundstock