Patents by Inventor Peter Kueker
Peter Kueker 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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Publication number: 20240101879Abstract: An aqueous adhesive formulation; containing a mixture of: at least one partially crystallised or crystalline polyurethane having a fusion temperature of 35 to 80° C. and an enthalpy of fusion of ?35 J/g as component A; at least one plasticiser as component B; at least one salt as component C; and optionally at least one further polymer as component D. The mixture contains: 30 to 94.9 wt. % component A; 5 to 45 wt. % component B; 0.001 to 3 wt. % component C; and optionally 0 to 30 wt. % component D, each based on the total of the amounts of the components A, B, C and optionally D present in the mixture.Type: ApplicationFiled: January 14, 2022Publication date: March 28, 2024Inventors: Christoph Thiebes, Sebastian Doerr, Jan Weikard, Peter Kueker, Harald Kraus, Wolfgang Arndt, Robert Liberati
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Publication number: 20240018293Abstract: The present invention relates to an aqueous dispersion at least containing (A) at least one polyurethane, (B) at least one fresh sol and (C) optionally further additives, wherein the at least one polyurethane is anionically hydrophilized, to a process for producing the dispersion, to the use of the dispersion for producing an adhesive composition, to a corresponding adhesive composition, to an adhesive laminate containing at least one substrate bonded with this adhesive composition, to a process for producing an adhesive laminate and to the use of a fresh sol for achieving a thickening effect in an aqueous polyurethane dispersion.Type: ApplicationFiled: October 22, 2021Publication date: January 18, 2024Inventors: Peter Kueker, Christoph Thiebes, Udo Wipperfuerth, Juergen Kempkes, Dirk Dijkstra, Ruediger Musch
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Publication number: 20220411683Abstract: The invention relates to the use of an aqueous dispersion containing at least one polyurethane-polyurea polymer formed from (a) at least one difunctional polyester polyol having a number-average molecular weight of 400 to 5000 g/mol, (b) at least one difunctional polyol component having a number-average molecular weight of 762 to 399 g/mol, c) at least one diisocyanate and (d) at least one chain extender optionally having at least one ionic group, for the bonding of at least two substrates by application of the aqueous dispersion to at least one of the substrates to be bonded, subsequent drying of the dispersion present on the at least one substrate in order to obtain at least one adhesive layer, and contacting of the at least one adhesive layer with a further substrate or with an adhesive layer present on a further substrate at a pressure of from 0.1 to 5 bar(a) and a temperature of less than 40° C.Type: ApplicationFiled: December 3, 2020Publication date: December 29, 2022Inventors: Dirk ACHTEN, Wolfgang ARNDT, Robert LIBERATI, Christoph THIEBES, Peter KUEKER, Harald KRAUS
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Publication number: 20220306916Abstract: The invention relates to formulations of aqueous dispersion adhesives based on aqueous polyurethane or polyurethane-urea dispersions, and to the use of the adhesive formulations for the adhesive bonding of foam substrates by the spray coagulation process. The dispersion comprises as disperse phase at least one polymer which after drying is semicrystalline or crystalline and has a melting temperature in the range from 30 to 80° C. and an enthalpy of fusion of ?35 J/g. The formulation comprises at least one plasticizer and optionally at least one tackifier resin.Type: ApplicationFiled: August 28, 2020Publication date: September 29, 2022Inventors: Harald Kraus, Robert Liberati, Peter Kueker, Martin Melchiors
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Patent number: 11441058Abstract: The invention relates to formulations of aqueous dispersion adhesives on the basis of aqueous polyurethane or polyurethane-urea dispersions and the use of the adhesive formulations for bonding foam substrates according to the spray coagulation method.Type: GrantFiled: September 25, 2019Date of Patent: September 13, 2022Assignee: Covestro Intellectual Property GmbH & Co. KGInventors: Harald Kraus, Robert Liberati, Peter Kueker, Martin Melchiors
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Publication number: 20220056265Abstract: The invention relates to the use of aqueous dispersion adhesives on the basis of a mixture of aqueous polyurethane or polyurethane-urea dispersions for bonding foam substrates according to the spray coagulation method.Type: ApplicationFiled: November 5, 2021Publication date: February 24, 2022Inventors: Harald Kraus, Robert Liberati, Peter Kueker, Martin Melchiors
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Publication number: 20210395945Abstract: The invention relates to a method for producing a composite component, comprising the steps: i) applying an aqueous composition, which contains a polychloroprene dispersion and/or a polyurethane dispersion, to at least one nonwoven; ii) coagulating the aqueous composition on the nonwoven by bringing the aqueous composition into contact with a coagulant and/or heating to 80 to 220° C., in order to form a semifinished product; and iii) optionally attaching a decoration, which comprises an adhesive film; and iv) thereafter, shaping the semifinished product from step ii) or iii) by pressing and/or heating to 30 to 220° C., in order to obtain the composite component, characterized in that the aqueous composition contains at least one thickener.Type: ApplicationFiled: October 28, 2019Publication date: December 23, 2021Inventors: Peter KUEKER, Martin MELCHIORS, Michael JANZ, Anton NAUE
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Patent number: 11198786Abstract: The invention relates to the use of aqueous dispersion adhesives on the basis of a mixture of aqueous polyurethane or polyurethane-urea dispersions for bonding foam substrates according to the spray coagulation method.Type: GrantFiled: September 25, 2019Date of Patent: December 14, 2021Assignee: Covestro Intellectual Property GmbH & Co. KGInventors: Harald Kraus, Robert Liberati, Peter Kueker, Martin Melchiors
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Publication number: 20210317307Abstract: The invention relates to the use of aqueous dispersion adhesives on the basis of a mixture of aqueous polyurethane or polyurethane-urea dispersions for bonding foam substrates according to the spray coagulation method.Type: ApplicationFiled: September 25, 2019Publication date: October 14, 2021Inventors: Harald Kraus, Robert Liberati, Peter Kueker, Martin Melchiors
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Publication number: 20210317351Abstract: The invention relates to formulations of aqueous dispersion adhesives on the basis of aqueous polyurethane or polyurethane-urea dispersions and the use of the adhesive formulations for bonding foam substrates according to the spray coagulation method.Type: ApplicationFiled: September 25, 2019Publication date: October 14, 2021Inventors: Harald Kraus, Robert Liberati, Peter Kueker, Martin Melchiors
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Patent number: 9040438Abstract: The invention relates to low-viscosity, low-monomer aqueous polymer dispersions based on polychloroprene, and a process for the preparation thereof and the use thereof as a contact adhesive.Type: GrantFiled: August 19, 2008Date of Patent: May 26, 2015Assignee: Bayer MaterialScience AGInventors: Dirk Achten, Peter Kueker, Juergen Kempkes, Bianka Lorenz, Peter Reichert, Winfried Jeske, Jose Colinas-Martinez
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Patent number: 8765842Abstract: The invention relates to a method for producing polymeric solids free of auxiliary emulators starting from polymer latices (dispersion), wherein a polymer dispersion with a starting ph-value greater than 9 is set to a ph-value of 6 to 9 by adding gaseous carbon dioxide and the polymer dispersion is subsequently coagulated by shearing and/or freezing.Type: GrantFiled: March 17, 2010Date of Patent: July 1, 2014Assignee: LANXESS Deutschland GmbHInventors: Dirk Achten, Peter Kueker, Jürgen Kempkes, Bianka Lorenz, Werner Obrecht, Annika Stobrawe
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Patent number: 8658760Abstract: Formulations based on anionically stabilized aqueous polymer dispersions, containing polychloroprene, to which carbon dioxide (CO2) has been added, to a process for their preparation, to a device for increasing the carbon dioxide content of formulations based on anionically stabilized aqueous polymer dispersions, and to the use thereof in the production of adhesives, sealants, large-volume parts or coatings.Type: GrantFiled: August 26, 2009Date of Patent: February 25, 2014Assignee: Bayer MaterialScience AGInventors: Dirk Achten, Peter Kueker, Juergen Kempkes, Bianka Lorenz, Mathias Matner, Winfried Jeske, Jose Colinas-Martinez
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Publication number: 20120101216Abstract: The invention relates to a method for producing polymeric solids free of auxiliary emulators starting from polymer latices (dispersion), wherein a polymer dispersion with a starting ph-value greater than 9 is set to a ph-value of 6 to 9 by adding gaseous carbon dioxide and the polymer dispersion is subsequently coagulated by shearing and/or freezing.Type: ApplicationFiled: March 17, 2010Publication date: April 26, 2012Applicant: LANXESS DEUTSCHLAND GMBHInventors: Dirk Achten, Peter Kueker, Jürgen Kempkes, Bianka Lorenz, Werner Obrecht, Annika Stobrawe
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Publication number: 20110237696Abstract: Formulations based on anionically stabilised aqueous polymer dispersions, containing polychloroprene, to which carbon dioxide (CO2) has been added, to a process for their preparation, to a device for increasing the carbon dioxide content of formulations based on anionically stabilised aqueous polymer dispersions, and to the use thereof in the production of adhesives, sealants, large-volume parts or coatings.Type: ApplicationFiled: August 26, 2009Publication date: September 29, 2011Applicant: Bayer MaterialScience AGInventors: Dirk Achten, Peter Kueker, Juergen Kempkes, Bianka Lorenz, Mathias Matner, Winfried Jeske, Jose Colinas-Martinez
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Publication number: 20090053949Abstract: The invention relates to low-viscosity, low-monomer aqueous polymer dispersions based on polychloroprene, and a process for the preparation thereof and the use thereof as a contact adhesive.Type: ApplicationFiled: August 19, 2008Publication date: February 26, 2009Applicant: Bayer MaterialScience AGInventors: Dirk Achten, Peter Kueker, Juergen Kempkes, Bianka Lorenz, Peter Reichert, Winfried Jeske, Jose Colinas-Martinez