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).

  • Patent number: 8153752
    Abstract: 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: Grant
    Filed: February 9, 2007
    Date of Patent: April 10, 2012
    Assignee: BASF Coatings GmbH
    Inventors: Gunther Ott, Ulrike Rockrath, Bjorn Feldmann, Ulrike Clausen-Meiring, Karl-Heinz Joost
  • Publication number: 20100273975
    Abstract: 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: Application
    Filed: February 9, 2007
    Publication date: October 28, 2010
    Applicant: BASF COATINGS AKTIENGESELLSCHAFT
    Inventors: Gunther Ott, Ulrike Rockrath, Bjorn Feldmann, Ulrike Clausen-Meiring, Karl-Heinz Joost
  • Patent number: 7687576
    Abstract: 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: Grant
    Filed: July 10, 2004
    Date of Patent: March 30, 2010
    Assignee: BASF Coatings AG
    Inventors: Günter Klein, Ulrike Röckrath, Jürgen Niemann, Ulrich Poth, Andre Brosseit, Karin Wermelt, Alexandra Huber
  • Publication number: 20090306279
    Abstract: 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: Application
    Filed: October 23, 2006
    Publication date: December 10, 2009
    Applicant: BASF COATINGS AG
    Inventors: Michael Tecklenborg, Bianca Giesen, Marco Deyda, Hubet Baumgart, Ulrike Rockrath, Corinna Aussmann, Joachim Woltering
  • Publication number: 20080249250
    Abstract: 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: Application
    Filed: July 18, 2006
    Publication date: October 9, 2008
    Applicant: BASF COATINGS AG
    Inventors: Heinz-Peter Rink, Wilma Nimz, Ulrike Rockrath, Eva Wagner, Swaminathan Ramesh, Paul J. Harris
  • Patent number: 7342075
    Abstract: 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: Grant
    Filed: October 1, 2004
    Date of Patent: March 11, 2008
    Assignee: BASF Corporation
    Inventors: Swaminathan Ramesh, Paul J. Harris, Walter H. Ohrbom, Donald H. Campbell, Donald L. St. Aubin, Ulrike Röckrath
  • Publication number: 20080041274
    Abstract: 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: Application
    Filed: July 10, 2004
    Publication date: February 21, 2008
    Applicant: BASF COATINGS AG
    Inventors: Gunter Klein, Ulrike Rockrath, Jurgen Niemann, Ulrich Poth, Andre Brosseit, Karin Wermelt, Alexandra Huber
  • Patent number: 7297723
    Abstract: 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: Grant
    Filed: March 28, 2002
    Date of Patent: November 20, 2007
    Assignee: BASF Coatings AG
    Inventors: Guido Wilke, Ulrike Röckrath, Joachim Woltering, Egon Wegner, Hubert Baumgart, Günther Ott
  • Publication number: 20070225435
    Abstract: 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: Application
    Filed: October 8, 2004
    Publication date: September 27, 2007
    Applicant: BASF COATINGS AG
    Inventors: Ulrike Rockrath, Joachim Woltering, Gunther Ott
  • Patent number: 7232863
    Abstract: 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: Grant
    Filed: October 1, 2004
    Date of Patent: June 19, 2007
    Assignee: BASF Corporation
    Inventors: Walter H. Ohrbom, Donald H. Campbell, Donald L. St. Aubin, Swaminathan Ramesh, Paul J. Harris, Ulrike Röckrath
  • Patent number: 7132472
    Abstract: 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: Grant
    Filed: July 23, 2002
    Date of Patent: November 7, 2006
    Assignee: BASF Coatings AG
    Inventors: Joachim Woltering, Fatmir Raka, Ulrike Röckrath, Ute Schumacher
  • Patent number: 7122289
    Abstract: 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: Grant
    Filed: March 14, 2002
    Date of Patent: October 17, 2006
    Assignee: BASF Coatings AG
    Inventors: Guido Wilke, Ulrike Röckrath, Karl-Heinz Joost, Egon Wegner, Hubert Baumgart, Uwe Meisenburg
  • Patent number: 7122595
    Abstract: 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: Grant
    Filed: February 2, 2000
    Date of Patent: October 17, 2006
    Assignee: BASF Coatings AG
    Inventors: Günther Ott, Ulrike Röckrath, Uwe Meisenburg, Hubert Baumgart, Reinhold Schwalm, Erich Beck, Rainer Königer, Wolfgang Paulus, Horst Binger, Rainer Blum
  • Publication number: 20060173120
    Abstract: 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: Application
    Filed: January 20, 2004
    Publication date: August 3, 2006
    Inventors: Hubert Baumgart, Annette Roters, Vincent Cook, Thomas Farwick, Sandra Hasse, Cornelia Ketteler, Ulrike Rockrath
  • Patent number: 7022748
    Abstract: 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 on
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: April 4, 2006
    Assignee: BASF Coatings AG
    Inventors: Guido Wilke, Ulrike Röckrath
  • Patent number: 7019042
    Abstract: 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: Grant
    Filed: August 22, 2001
    Date of Patent: March 28, 2006
    Assignee: BASF Coatings AG
    Inventors: Ulrike Röckrath, Uwe Conring, Hurbert Baumgart, Ingrid Heid
  • Patent number: 6943210
    Abstract: 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: Grant
    Filed: January 11, 2001
    Date of Patent: September 13, 2005
    Assignee: BASF Coatings AG
    Inventors: Ulrike Röckrath, Günther Ott, Jan Berg, Werner-Alfons Jung, Joachim Woltering
  • Publication number: 20050079362
    Abstract: 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: Application
    Filed: October 1, 2004
    Publication date: April 14, 2005
    Applicant: BASF Corporation
    Inventors: Walter Ohrbom, Donald Campbell, Donald St. Aubin, Swaminathan Ramesh, Paul Harris, Ulrike Rockrath
  • Publication number: 20050080196
    Abstract: 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: Application
    Filed: October 1, 2004
    Publication date: April 14, 2005
    Applicant: BASF Corporation
    Inventors: Swaminathan Ramesh, Paul Harris, Walter Ohrbom, Donald Campbell, Donald St. Aubin, Ulrike Rockrath
  • Publication number: 20050004301
    Abstract: 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: Application
    Filed: July 29, 2004
    Publication date: January 6, 2005
    Inventors: Ulrike Rockrath, Gunther Ott, Jan Berg, Werner-Alfons Jung, Joachim Woltering