Patents by Inventor Ulrike Rockrath
Ulrike Rockrath 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: 8153752Abstract: Disclosed herein is a polyol (A) based on modified amino resins, prepared by reacting: an amino resin (B) comprising three acetalized or etherified N-methylol groups of the general formula (I) >N—CHR—OR1, wherein R is a hydrogen atom, an alkyl group of 1 to 6 carbon atoms or an aryl group of 6 to 10 carbon atoms and R1 is an alkyl group of 1 to 6 carbon atoms; with a polyol (C) of the general formula (II) R2(—OH)n, wherein n is a number from 2 to 6 and R2 is a divalent to hexavalent organic radical; wherein an equivalent ratio of the acetalized or etherified N-methylol groups to the polyol (C) is 0.5:1 to 1.2:1; with elimination of at least 50 mol % of a monoalcohol (D) of the general formula R1—OH, wherein R1 is as defined above, from the amino resin (B).Type: GrantFiled: February 9, 2007Date of Patent: April 10, 2012Assignee: BASF Coatings GmbHInventors: Gunther Ott, Ulrike Rockrath, Bjorn Feldmann, Ulrike Clausen-Meiring, Karl-Heinz Joost
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Publication number: 20100273975Abstract: Disclosed herein is a polyol (A) based on modified amino resins, prepared by reacting: an amino resin (B) comprising three acetalized or etherified N-methylol groups of the general formula (I)>N—CHR—OR1, wherein R is a hydrogen atom, an alkyl group of 1 to 6 carbon atoms or an aryl group of 6 to 10 carbon atoms and R1 is an alkyl group of 1 to 6 carbon atoms; with a polyol (C) of the general formula (II) R2(—OH)n, wherein n is a number from 2 to 6 and R2 is a divalent to hexavalent organic radical; wherein an equivalent ratio of the acetalized or etherified N-methylol groups to the polyol (C) is 0.5:1 to 1.2:1; with elimination of at least 50 mol % of a monoalcohol (D) of the general formula R1—OH, wherein R1 is as defined above, from the amino resin (B).Type: ApplicationFiled: February 9, 2007Publication date: October 28, 2010Applicant: BASF COATINGS AKTIENGESELLSCHAFTInventors: Gunther Ott, Ulrike Rockrath, Bjorn Feldmann, Ulrike Clausen-Meiring, Karl-Heinz Joost
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Patent number: 7687576Abstract: A thermosetting transparent coating material, its preparation and use. The coating includes (meth)acrylate (co)polymer having a number-average molecular weight of from 1,000 to 6,000 daltons, a glass transition temperature of ?15 to +70° C., and a hydroxyl number of from 80 to 200 mg KOH/g; polyester having a number-average molecular weight of from 800 to 6,000 daltons, a hydroxyl number of from 80 to 200 mg KOH/g and an acid number of from 1 to 50 mg KOH/g, comprising, based on the polyester, from 30 to 70% by weight of cycloaliphatic structural units; a blocked polyisocyanate in which the blocked polyisocyanate groups are attached to flexibilizing structural units which, as part of a three-dimensional network, lower its glass transition temperature; and blocked polyisocyanate in which the blocked polyisocyanate groups are attached to hardening structural units which, as part of a three-dimensional network, raise its glass transition temperature.Type: GrantFiled: July 10, 2004Date of Patent: March 30, 2010Assignee: BASF Coatings AGInventors: Günter Klein, Ulrike Röckrath, Jürgen Niemann, Ulrich Poth, Andre Brosseit, Karin Wermelt, Alexandra Huber
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Publication number: 20090306279Abstract: Structurally viscous, curable, aqueous powder dispersions free entirely or substantially from organic solvents and comprising dimensionally stable particles (A) having an average particle size as measured by the laser diffraction method of D (v, 0.Type: ApplicationFiled: October 23, 2006Publication date: December 10, 2009Applicant: BASF COATINGS AGInventors: Michael Tecklenborg, Bianca Giesen, Marco Deyda, Hubet Baumgart, Ulrike Rockrath, Corinna Aussmann, Joachim Woltering
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Publication number: 20080249250Abstract: Copolymers (A) containing lateral, primary and/or secondary carbamate groups (a12) and groups (a31) which can be activated with actinic radiation, preparable by I. in a first process step copolymerizing (a1) a monomer containing (a11) a group of the general formula I: CH2?C(R)C(O)—O—, ??(I) in which the variable R is a hydrogen atom, a halogen atom, a nitrile group or an alkyl group having 1 to 10 carbon atoms, and (a12) a primary and/or secondary carbamate group, and (a2) a monomer containing (a21) a free-radically or ironically polymerizable, olefinically unsaturated double bond and (a22) a reactive functional group which is not reactive with the carbamate groups (a12) and is not polymerizable with the double bond (a21), to give the copolymer (a1/a2), and II.Type: ApplicationFiled: July 18, 2006Publication date: October 9, 2008Applicant: BASF COATINGS AGInventors: Heinz-Peter Rink, Wilma Nimz, Ulrike Rockrath, Eva Wagner, Swaminathan Ramesh, Paul J. Harris
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Patent number: 7342075Abstract: Disclosed is a method for making nongelled addition polymers, especially carbamate functional additional polymers from linear unsaturated anhydrides. The method comprises reacting an unsaturated linear anhydride with an active hydrogen compound to provide two monomers comprising polymerizable C?C bonds, at least one of said monomers comprising an acid functional group; polymerizing the polymerizable C?C bonds of the two monomers to provide an acid functional polymerization product; and reacting the acid functional polymerization product with an epoxy functional compound to provide a nongelled addition polymer, wherein the disclosed method does not include a step comprising the physical removal of any acid functional monomers or polymerization products. Also disclosed is a curable coating composition containing the resulting carbamate functional polymer, as well as a coated substrate comprising a cured film resulting from the application and curing of the disclosed curable coating composition.Type: GrantFiled: October 1, 2004Date of Patent: March 11, 2008Assignee: BASF CorporationInventors: Swaminathan Ramesh, Paul J. Harris, Walter H. Ohrbom, Donald H. Campbell, Donald L. St. Aubin, Ulrike Röckrath
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Publication number: 20080041274Abstract: A thermosetting transparent coating material, its preparation and use. The coating includes (meth)acrylate (co)polymer having a number-average molecular weight of from 1,000 to 6,000 daltons, a glass transition temperature of ?15 to +70° C., and a hydroxyl number of from 80 to 200 mg KOH/g; polyester having a number-average molecular weight of from 800 to 6,000 daltons, a hydroxyl number of from 80 to 200 mg KOH/g and an acid number of from 1 to 50 mg KOH/g, comprising, based on the polyester, from 30 to 70% by weight of cycloaliphatic structural units; a blocked polyisocyanate in which the blocked polyisocyanate groups are attached to flexibilizing structural units which, as part of a three-dimensional network, lower its glass transition temperature; and blocked polyisocyanate in which the blocked polyisocyanate groups are attached to hardening structural units which, as part of a three-dimensional network, raise its glass transition temperature.Type: ApplicationFiled: July 10, 2004Publication date: February 21, 2008Applicant: BASF COATINGS AGInventors: Gunter Klein, Ulrike Rockrath, Jurgen Niemann, Ulrich Poth, Andre Brosseit, Karin Wermelt, Alexandra Huber
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Patent number: 7297723Abstract: Powder slurries curable thermally and with actinic radiation and comprising solid and/or highly viscous particles dimensionally stable under storage and application conditions, comprising (A) a binder free of carbon-carbon double bonds activatable with actinic radiation, comprising at least one (meth)acrylate copolymer containing on average per molecule at least one isocyanate-reactive functional group and at least one ion-forming group, (B) at least one blocked and/or part-blocked polyisocyanate, and (C) at least one olefinically unsaturated constituent which is free of isocyanate-reactive functional groups and contains on average per molecule more than four carbon-carbon double bonds activatable with actinic radiation; processes for preparing them, and their use.Type: GrantFiled: March 28, 2002Date of Patent: November 20, 2007Assignee: BASF Coatings AGInventors: Guido Wilke, Ulrike Röckrath, Joachim Woltering, Egon Wegner, Hubert Baumgart, Günther Ott
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Publication number: 20070225435Abstract: Disclosed herein are pseudoplastic aqueous dispersions having solid and/or high-viscosity particles (A), dimensionally stable under storage and application conditions, in dispersion in a continuous aqueous phase (B), the dispersion having at least one solid polyurethanepolyol (C) containing cycloaliphatic structural units having a glass transition temperature >15 ° C., processes for preparing them, and their use.Type: ApplicationFiled: October 8, 2004Publication date: September 27, 2007Applicant: BASF COATINGS AGInventors: Ulrike Rockrath, Joachim Woltering, Gunther Ott
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Patent number: 7232863Abstract: Disclosed is a method for making nongelled functional addition polymers from linear unsaturated anhydrides. The method subjects a linear unsaturated anhydride compound, an active hydrogen compound, and an epoxide compound to reaction conditions such that each of the following three reactions occur: (i) polymerization of polymerizable C?C bonds, (ii) ring opening of an anhydride functional group of the linear unsaturated anhydride compound by the active hydrogen compound to create an acid functional group, and (iii) reaction of the acid functional group resulting from the anhydride ring opening with the epoxide compound. At the time of reaction (iii), the acid functional group resulting from the anhydride ring opening may be selected from an ethylenically unsaturated monomer, a polymer, or both. In one embodiment, the method does not include the physical removal of any acid functional monomers or polymerization products. Also disclosed are a curable coating composition and a coated substrate.Type: GrantFiled: October 1, 2004Date of Patent: June 19, 2007Assignee: BASF CorporationInventors: Walter H. Ohrbom, Donald H. Campbell, Donald L. St. Aubin, Swaminathan Ramesh, Paul J. Harris, Ulrike Röckrath
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Patent number: 7132472Abstract: A pseudoplastic clearcoat slurry comprising solid and/or highly viscous particles which are dimensionally stable under storage and application conditions and which comprise as binders methacrylate copolymers containing in copolymerized form, based on a given methacrylate copolymer, at least 90% by weight of methacrylate comonomers, including (meth)acrylate comonomers having potentially ionic groups; process for preparing it, and its use.Type: GrantFiled: July 23, 2002Date of Patent: November 7, 2006Assignee: BASF Coatings AGInventors: Joachim Woltering, Fatmir Raka, Ulrike Röckrath, Ute Schumacher
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Patent number: 7122289Abstract: A mixture and method for preparing a composition curable thermally and with actinic radiation comprising a binder free from carbon-carbon double bonds activatable with actinic radiation, at least one blocked or unblocked polyisocyanate having at least one soft, flexibilizing segment, and at least one unsaturated polyfunctional urethane that is free from isocyanate-reactive functional groups and contains on average per molecule more than four carbon-carbon double bonds activatable with actinic radiation and at least one hardening segment.Type: GrantFiled: March 14, 2002Date of Patent: October 17, 2006Assignee: BASF Coatings AGInventors: Guido Wilke, Ulrike Röckrath, Karl-Heinz Joost, Egon Wegner, Hubert Baumgart, Uwe Meisenburg
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Patent number: 7122595Abstract: The invention relates to a powder-slurry that can be hardened by actinic radiation or by thermal means, comprising (I) components containing functional groups (A) which render them hardenable by actinic radiation and components containing complementary functional groups (B) which render them thermally hardenable, in a weight ratio of 50:1 to 1:50 and/or comprising (II) components containing the functional groups (A) and (B) which render them thermally hardenable and hardenable by actinic radiation in a molar ratio of 100:1 to 1:100.Type: GrantFiled: February 2, 2000Date of Patent: October 17, 2006Assignee: BASF Coatings AGInventors: Günther Ott, Ulrike Röckrath, Uwe Meisenburg, Hubert Baumgart, Reinhold Schwalm, Erich Beck, Rainer Königer, Wolfgang Paulus, Horst Binger, Rainer Blum
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Publication number: 20060173120Abstract: Coating materials including at least one hydroxyl-containing (meth)acrylate (co)polymer, at least one carbamate- and hydroxyl-containing compound and at least one amino resin, where at least 10 equivalent % of the hydroxyl groups present in the (meth)acrylate (co)polymers and/or the carbamate and hydroxyl containing compound are primary hydroxyl groups. The coating materials after curing have a storage modulus E? in the rubber-elastic range of at least 1.5*107 Pa, the storage modulus E? having been measured by dynamic mechanical thermoanalysis (DMTA) on homogeneous free films with a thickness of 40±10 ?m. Also included is a processes for preparing the coating materials and applications therefor.Type: ApplicationFiled: January 20, 2004Publication date: August 3, 2006Inventors: Hubert Baumgart, Annette Roters, Vincent Cook, Thomas Farwick, Sandra Hasse, Cornelia Ketteler, Ulrike Rockrath
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Patent number: 7022748Abstract: Aqueous dispersions curable thermally and with actinic radiation, comprising (I) liquid, and/or highly viscous solid particles dimensionally stable under storage and application conditions, comprising (IA) a binder free of carbon-carbon double bonds activatable with actinic radiation, comprising at least one (meth)acrylate copolymer containing on average per molecule at least one isocyanate-reactive functional group and at least one dispersive functional group, and (IB) at least one blocked polyisocyanate; (II) liquid, highly viscous and/or solid particles dimensionally stable under storage and application conditions, comprising at least one polyurethane (II) containing at least one isocyanate-reactive functional group, at least one functional group having at least one bond activatable with actinic radiation, and at least one dispersive functional group, and (III) at least one unsaturated constituent which is free of isocyanate-reactive functional groups and contains on average per molecule more than onType: GrantFiled: March 21, 2002Date of Patent: April 4, 2006Assignee: BASF Coatings AGInventors: Guido Wilke, Ulrike Röckrath
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Patent number: 7019042Abstract: A novel thixotropic agent comprising urea crystals which comprises at least one compound containing at least one functional group having at least one bond which can be activated with actinic radiation; a novel process for preparing a thixotropic agent comprising urea crystals by reacting at least one primary and/or secondary amine and/or water with at least one polyisocyanate in a liquid organic medium consisting of or comprising at least one compound containing at least one functional group having at least one bond which can be activated with actinic radiation; and the use of the thixotropic agents to prepare coating materials, adhesives and sealing compounds curable thermally and with actinic radiation.Type: GrantFiled: August 22, 2001Date of Patent: March 28, 2006Assignee: BASF Coatings AGInventors: Ulrike Röckrath, Uwe Conring, Hurbert Baumgart, Ingrid Heid
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Patent number: 6943210Abstract: A pseudoplastic powder clearcoat slurry which is free from organic solvents and comprises solid and/or highly viscous, particles which are dimensionally stable under storage and application conditions and have an average size of from 0.8 to 20 ?m, at least 99% of the particles having a size ?30 ?m, which is preparable by 1) emulsifying an organic solution comprising binder and crosslinking agent to give an emulsion of the oil-in-water type, 2) removing the organic solvent or solvents, and 3) wet grinding the resulting slurry; and also the use of the powder clearcoat slurry to produce clearcoats for automotive OEM finishing and automotive refinish, for furniture coating and for industrial coating, including coil coating, container coating and the coating of electrical components.Type: GrantFiled: January 11, 2001Date of Patent: September 13, 2005Assignee: BASF Coatings AGInventors: Ulrike Röckrath, Günther Ott, Jan Berg, Werner-Alfons Jung, Joachim Woltering
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Publication number: 20050079362Abstract: Disclosed is a method for making nongelled functional addition polymers from linear unsaturated anhydrides. The method subjects a linear unsaturated anhydride compound, an active hydrogen compound, and an epoxide compound to reaction conditions such that each of the following three reactions occur: (i) polymerization of polymerizable C?C bonds, (ii) ring opening of an anhydride functional group of the linear unsaturated anhydride compound by the active hydrogen compound to create an acid functional group, and (iii) reaction of the acid functional group resulting from the anhydride ring opening with the epoxide compound. At the time of reaction (iii), the acid functional group resulting from the anhydride ring opening may be selected from an ethylenically unsaturated monomer, a polymer, or both. In one embodiment, the method does not include the physical removal of any acid functional monomers or polymerization products. Also disclosed are a curable coating composition and a coated substrate.Type: ApplicationFiled: October 1, 2004Publication date: April 14, 2005Applicant: BASF CorporationInventors: Walter Ohrbom, Donald Campbell, Donald St. Aubin, Swaminathan Ramesh, Paul Harris, Ulrike Rockrath
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Publication number: 20050080196Abstract: Disclosed is a method for making nongelled addition polymers, especially carbamate functional additional polymers from linear unsaturated anhydrides. The method comprises reacting an unsaturated linear anhydride with an active hydrogen compound to provide two monomers comprising polymerizable C?C bonds, at least one of said monomers comprising an acid functional group; polymerizing the polymerizable C?C bonds of the two monomers to provide an acid functional polymerization product; and reacting the acid functional polymerization product with an epoxy functional compound to provide a nongelled addition polymer, wherein the disclosed method does not include a step comprising the physical removal of any acid functional monomers or polymerization products. Also disclosed is a curable coating composition containing the resulting carbamate functional polymer, as well as a coated substrate comprising a cured film resulting from the application and curing of the disclosed curable coating composition.Type: ApplicationFiled: October 1, 2004Publication date: April 14, 2005Applicant: BASF CorporationInventors: Swaminathan Ramesh, Paul Harris, Walter Ohrbom, Donald Campbell, Donald St. Aubin, Ulrike Rockrath
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Publication number: 20050004301Abstract: A pseudoplastic powder clearcoat slurry which is free from organic solvents and comprises solid and/or highly viscous, particles which are dimensionally stable under storage and application conditions and have an average size of from 0.8 to 20 ?m, at least 99% of the particles having a size ?30 ?m, which is preparable by 1) emulsifying an organic solution comprising binder and crosslinking agent to give an emulsion of the oil-in-water type, 2) removing the organic solvent or solvents, and 3) wet grinding the resulting slurry; and also the use of the powder clearcoat slurry to produce clearcoats for automotive OEM finishing and automotive refinish, for furniture coating and for industrial coating, including coil coating, container coating and the coating of electrical components.Type: ApplicationFiled: July 29, 2004Publication date: January 6, 2005Inventors: Ulrike Rockrath, Gunther Ott, Jan Berg, Werner-Alfons Jung, Joachim Woltering