Patents by Inventor Matthijs Groenewolt

Matthijs Groenewolt 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: 9266998
    Abstract: The present invention relates to a process for the coating of polycarbonate substrates, in particular of transparent polycarbonate substrates, by applying a transparent coating composition encompassing at least one radiation-curing binder resin (A) and/or reactive diluent (C), nanoparticles (B), optionally solvent and at least one light stabilizer (L), to a polycarbonate substrate, wherein the coating composition comprises at least one light stabilizer (L) which comprises, per molecule, an average of at least one ethylenically unsaturated group bonded by way of a urethane group. The present invention also relates to the coating compositions used in said process, and to the coated polycarbonate substrates obtainable via the process, and to their use.
    Type: Grant
    Filed: March 27, 2010
    Date of Patent: February 23, 2016
    Assignee: BASF COATINGS GMBH
    Inventors: Jan-Bernd Kues, Matthijs Groenewolt, Karin Homann, Stefanie Schroeder, Andre Brosseit
  • Publication number: 20150344728
    Abstract: The present invention relates to a multicoat effect and/or color paint system, a method for producing the multicoat paint system, and also the use thereof. The transparent coating material composition comprises at least one rheological assistant (R) based on fumed silica and comprises a polyisocyanate group-containing component (B) which additionally has at least one structural unit of the formula (I) and/or at least one structural unit of the formula (II).
    Type: Application
    Filed: October 18, 2013
    Publication date: December 3, 2015
    Inventors: Matthijs Groenewolt, Berthold Austrup, Katharina Hübner, Andrea Frank, Jörg Müller
  • Publication number: 20150210886
    Abstract: Described are nonaqueous coating material compositions comprising (A) at least one polyhydroxyl group-containing compound, (B) at least one polyisocyanate group-containing compound having free or blocked isocyanate groups, (D) at least one catalyst (D) based on a zinc-amidine complex which is preparable by reacting one or more zinc(II) biscarboxylates with an amidine of the formula (I) or with a mixture of two or more amidines of the formula (I) and (S) at least one monomeric aromatic optionally substituted carboxylic acid (S) whose carboxyl group is in conjugation with a ?-electron system, wherein the component (B) comprises at least one structural unit —NR—(X—SiR?x(OR?)3-x) (II), and/or at least one structural unit —N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m (III). Also described are multistage coating methods, and the use of the coating material compositions.
    Type: Application
    Filed: May 29, 2013
    Publication date: July 30, 2015
    Applicant: BASF Coatings GmbH
    Inventors: Peter Hoffmann, Matthijs Groenewolt, Benedikt Schnier, Elke Westhoff
  • Patent number: 9017818
    Abstract: The present invention relates to coating compositions comprising (A) at least one hydroxyl-containing polyacrylate and/or at least one hydroxyl-containing polymethacrylate and (B) at least one compound containing isocyanate groups and having at least one structural unit (I) of the formula (I) —NR—(X—SiR?x(OR?)3-x)??(I), and having at least one structural unit (II) of the formula (II) —N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m??(II), where (i) (A) has a glass transition temperature of less than 10° C., (ii) (B) contains more than 10 to more than 90 mol %, of at least one structural unit of the formula (I) and 10 to less than 90 mol % of at least one structural (II), based on the entirety of the structural units (I) and (II), and (iii) 10 to 60 mol % of the isocyanate groups of the diisocyanate and/or polyisocyanate parent structure of (I) and (II). The invention provides multistage coating processes using these coating compositions.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: April 28, 2015
    Assignee: BASF Coatings GmbH
    Inventor: Matthijs Groenewolt
  • Publication number: 20150037590
    Abstract: Compositions comprising (B1) at least one polyisocyanate-group-containing compound (B1) having free or blocked isocyanate groups and a cycloaliphatic polyisocyanate parent structure, and/or a polyisocyanate derived therefrom, and (B2) at least one polyisocyanate-group-containing compound (B2) having free or blocked isocyanate groups and an acyclic, aliphatic polyisocyanate parent structure, and/or a polyisocyanate derived therefrom, where at least one of component (B1) and component (B2) comprise at least one structural unit selected from the group of structural unit (I) —NR—(X—SiR?x(OR?)3?x)??(I), structural unit (II) —N(X—SiR?x(OR?)3?x)n(X?—SiR?y(OR?)3?y)m??(II), and mixtures of two or more of the foregoing, wherein the compound (B1) is in an amount such that the binder fraction of the compound (B1) is between 5% and 45% by weight, based on the sum of the binder fraction of the compound (B1) and of the compound (B2), and the mixture of components (B1) and (B2) includes structural units (I) and structu
    Type: Application
    Filed: May 23, 2012
    Publication date: February 5, 2015
    Applicant: BASF Coatings GmbH
    Inventors: Matthijs Groenewolt, Günter Klein, Oliver Hilge, Berthold Austrup, Katharina Huebner
  • Publication number: 20140329098
    Abstract: Disclosed are nonaqueous coating material compositions comprising (A) at least one polyhydroxyl-group-containing compound, (B) at least one polyisocyanate-group-containing compound having free or blocked isocyanate groups, and (D) at least one catalyst for the crosslinking of silane groups, where component (B) comprises at least one structural unit —NR—(X—SiR?x(OR?)3-x)??(I), and at least one structural unit —N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m??(II), wherein in component (B) (i) more than 30 mol % and less than 70 mol % of the originally present isocyanate groups have undergone reaction to form structural units (I) and (II), (ii) more than 25 and less than 36 mol % of the originally present isocyanate groups have undergone reaction to form structural units (II), and (iii) component (B) has at least one polyisocyanate group-containing compound (B2) having free or blocked isocyanate groups and having an acyclic, aliphatic polyisocyanate parent structure.
    Type: Application
    Filed: May 7, 2012
    Publication date: November 6, 2014
    Applicant: BASF Coatings GmbH
    Inventors: Matthijs Groenewolt, Georg Wigger, Tilo Kühs, Thomas Kepler
  • Patent number: 8871322
    Abstract: Disclosed is a coating composition for coating polycarbonate substrates. The coating composition comprises (A) at least one radiation-curing binder, (B) nanoparticles, and (C) optionally at least one reactive diluent and/or optionally a solvent, and wherein the nanoparticles (B) comprise silicon dioxide nanoparticles , the silicon dioxide nanoparticles have a d50 of between 80 and 300 nm, and the silicon dioxide nanoparticles have a particle size distribution wherein less than 15% by weight of the particles have a size in the range of less than 80 nm, 75% to 95% by weight of the particles have a size in the range from 80 to 300 nm, 0% to 5% by weight of the particles have a size in the range from more than 300 to 1000 nm, and 0% to 5% by weight of the particles have a size in the range from more than 1000 nm to 10 000 nm.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: October 28, 2014
    Assignee: BASF Coatings GmbH
    Inventors: Matthijs Groenewolt, Jan-Bernd Kues, Stefanie Schroeder, Pedro Cavaleiro, Hans-Leo Karminski, Gunther Michael
  • Patent number: 8808805
    Abstract: The present invention relates to a coating composition comprising (d) at least one binder (A) having reactive groups, (e) at least one crosslinking agent (B) which is able to react, with crosslinking with the reactive groups of the binder (A), and at least one catalyst (C) for the crosslinking of silane groups, one or more constituents (A) and/or (B) and/or at least one further constituent of the coating composition containing hydrolyzable silane groups, wherein the catalyst (C) is a phosphoric acid compound, more particularly phosphoric acid or phosphonic acid, which is blocked with an amine having a pKb?3 and a boiling point >100° C.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: August 19, 2014
    Assignee: BASF Coatings GmbH
    Inventors: Matthijs Groenewolt, Sebastian Frerick
  • Patent number: 8790752
    Abstract: Disclosed is a coating composition based on aprotic solvents and comprising at least one hydroxyl-containing compound (A) and at least one compound (B) having isocyanate groups and having at least one silane group of the formula (I) —X—Si—R?xG3-x??(I) with G=identical or different hydrolyzable groups, R?=hydrogen, alkyl or cycloalkyl, X=organic radical, R?=alkyl, cycloalkyl, aryl or aralkyl, x=0 to 2, and characterized in that (i) the compound (B) containing isocyanate groups and silane groups comprises uretdione groups, and (ii) the compound (B) has been prepared from a linear aliphatic diisocyanate. The present invention additionally provides multistage coating methods using these coating compositions, and the use of the coating compositions as clearcoat, and application of the coating method for automotive refinish and/or for the coating of plastics substrates.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: July 29, 2014
    Assignee: BASF Coatings GmbH
    Inventors: Matthijs Groenewolt, Alexandra Steffens, Wilfred Stübbe, Wilma Nimz
  • Patent number: 8679589
    Abstract: The present invention relates to a coating composition comprising (a) at least one hydroxyl-containing compound (A), (b) at least one compound (B) having free and/or blocked isocyanate groups, and (c) at least one catalyst (C) for the crosslinking of silane groups, one or more constituents of the coating composition containing hydrolyzable silane groups, wherein the coating composition contains a water scavenger as further constituent (D).
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: March 25, 2014
    Assignee: BASF Coatings GmbH
    Inventors: Matthijs Groenewolt, Günter Klein, Andreas Poppe, Simone Hesener, Wilfried Stübbe, Manuela Niemeier, Sabine Holtschulte, Oliver Hilge, Björn Feldmann
  • Publication number: 20140065313
    Abstract: Provided is a coating composition comprising at least one hydroxyl-containing compound (A), at least one compound (B1) having at least one silane group of the formula (I) —X—Si—R?xG3-x??(I) with G=identical or different hydrolyzable groups, X=organic radical, more particularly linear and/or branched alkylene or cycloalkylene radical having 1 to 20 carbon atoms, R?=alkyl, cycloalkyl, aryl or aralkyl, it being possible for the carbon chain to be interrupted by nonadjacent oxygen, sulfur or NRa groups, with Ra=alkyl, cycloalkyl, aryl or aralkyl, x=0 to 2, and at least one compound (B2) different from the component (B1) and which is prepared from a linear aliphatic diisocyanate (DI), (B2) comprising uretidone groups and at least 2 isocyanate groups per molecule.
    Type: Application
    Filed: November 14, 2011
    Publication date: March 6, 2014
    Inventors: Matthijs Groenewolt, Jörg Müller
  • Patent number: 8658752
    Abstract: The invention relates to the use of partly silanized compounds based on polyisocyanate as crosslinking agents with heightened refractive index in curable coating compositions, more particularly in clearcoat materials for automotive finishing. The invention likewise relates to a coating composition which comprises these compounds as crosslinking agents, and to the use of the coating composition to produce a coating.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: February 25, 2014
    Assignee: BASF Coatings GmbH
    Inventors: Matthijs Groenewolt, Simone Hesener, Wilfried Stübbe, Manuela Niemeier, Elke Westhoff
  • Publication number: 20140037851
    Abstract: Disclosed are aqueous coating compositions comprising at least one hydroxyl-containing compound (A), at least one compound (B) having isocyanate groups and also having hydrolyzable silane groups, and at least one catalyst (C) wherein the compound (B) has 10 mol % to less than 90 mol % of at least one structural unit (I) —N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m??(I) Where R?=hydrogen, alkyl or cycloalkyl, X, X?=linear and/or branched alkylene or cycloalkylene radical having 1 to 20 carbon atoms, R?=alkyl, cycloalkyl, aryl or aralkyl, n=0 to 2, m=0 to 2, m+n=2, and x, y=0 to 2, and more than 10 to 90 mol % of at least one structural unit (II) —Z—(X—SiR?x(OR?)3-x) (II), where Z=—NH—, —NR—, —O— or —S—, where R=alkyl, cycloalkyl, aryl or aralkyl, and x, X, R? and R? have the definition indicated for formula (I).
    Type: Application
    Filed: January 4, 2012
    Publication date: February 6, 2014
    Applicant: BASF COATINGS GMBH
    Inventors: Matthijs Groenewolt, Manuela Niemeier, Wilfried Stübbe, Alexandra Steffens, Britta Schnieders
  • Publication number: 20140023789
    Abstract: Disclosed are coating compositions comprising (a) at least one hydroxyl-containing compound (A), (b) at least one compound (B) having isocyanate groups, and (c) at least one catalyst (D) for the crosslinking of silane groups, said catalyst (D) comprising phosphorus. It is an aspect of the disclosed coating compositions that (i) one or more constituents of the coating composition contain hydrolyzable silane groups and (ii) the coating composition can be finally cured to a coating which has statistically distributed regions of an Si—O—Si network.
    Type: Application
    Filed: September 25, 2013
    Publication date: January 23, 2014
    Applicant: BASF COATINGS GMBH
    Inventors: Matthijs Groenewolt, Andreas Poppe, Gunter Klein, Manuela Niemeier, Elke Westhoff, Wilfried Stubbe, Simone Hesener
  • Patent number: 8569438
    Abstract: Disclosed are coating compositions comprising (a) at least one hydroxyl-containing compound (A), (b) at least one compound (B) having isocyanate groups, and (c) at least one catalyst (D) for the crosslinking of silane groups, said catalyst (D) comprising phosphorus. It is an aspect of the disclosed coating compositions that (i) one or more constituents of the coating composition contain hydrolyzable silane groups and (ii) the coating composition can be finally cured to a coating which has statistically distributed regions of an Si—O—Si network.
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: October 29, 2013
    Assignee: BASF Coatings GmbH
    Inventors: Matthijs Groenewolt, Andreas Poppe, Guenter Klein, Manuela Niemeier, Elke Westhoff, Wilfried Stuebbe, Simone Hesener
  • Publication number: 20130196072
    Abstract: Coating compositions comprising at least one hydroxyl-containing compound (A), at least one isocyanato-containing compound (B) and at least one urea-group-containing compound (H) different from (B), compound (H) comprising at least one structural unit selected from the group consisting of a structural unit (I) a structural unit (II) a structural unit (III) —NR??—C(O)—N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m, and combinations of two or more of the foregoing, compound (H) being obtained by reacting an isocyanato-containing compound (HG) with amino-containing compounds, wherein in compound (H) more than 90 mol % of the isocyanate groups originally present in (HG) have undergone reaction to form the structural units (I), (II), (III), or combinations thereof, where R?, R??=hydrogen, alkyl, cycloalkyl, aryl or aralkyl; R, R?=alkyl, cycloalkyl, aryl or aralkyl; X, X?=linear and/or branched alkyl or cycloalkyl radical; x, y, n, m=0 to 2; and m+n=2.
    Type: Application
    Filed: March 30, 2011
    Publication date: August 1, 2013
    Applicant: BASF COATINGS GMBH
    Inventors: Matthijs Groenewolt, Manuela Niemeier
  • Publication number: 20130190437
    Abstract: Disclosed are coating compositions including (A) at least one member selected from hydroxyl-containing polyacrylate, polymethacrylate, polyurethane, polyester, polysiloxane, and combinations of two or more of the foregoing, (B) at least one compound having blocked isocyanate groups and having alkoxysilane groups, wherein (i) the hydroxyl groups of component (A) are blocked with at least one acyclic orthoester, (ii) the compound (B) has at least one structural unit (II) —N(X—SiR?x(OR)3-x)n(X?—SiR?y(OR)3-y)m??(II), where R=hydrogen, cycloalkyl radical or alkyl radical, X,X?=linear and/or branched alkylene or cycloalkylene radical having 1 to 20 carbon atoms, R?=alkyl, cycloalkyl, aryl or aralkyl, n, m, x, y=0 to 2, and also m+n=2, and (i) at least 90 mol % of the alkoxysilane groups are ethoxysilane groups. Also disclosed are multistage coating processes, use of the compositions as clearcoat materials and application of the processes for automotive OEM finishing.
    Type: Application
    Filed: October 16, 2010
    Publication date: July 25, 2013
    Applicant: BASF COATINGS GMBH
    Inventors: Christian Arens, Matthijs Groenewolt
  • Publication number: 20130136865
    Abstract: Disclosed is a coating composition based on aprotic solvents and comprising at least one hydroxyl-containing compound (A) and at least one compound (B) having isocyanate groups and having at least one silane group of the formula (I) —X—Si—R?xG3-x??(I) with G=identical or different hydrolyzable groups, R?=hydrogen, alkyl or cycloalkyl, X=organic radical, R?=alkyl, cycloalkyl, aryl or aralkyl, x=0 to 2, and characterized in that (i) the compound (B) containing isocyanate groups and silane groups comprises uretdione groups, and (ii) the compound (B) has been prepared from a linear aliphatic diisocyanate. The present invention additionally provides multistage coating methods using these coating compositions, and the use of the coating compositions as clearcoat, and application of the coating method for automotive refinish and/or for the coating of plastics substrates.
    Type: Application
    Filed: March 30, 2011
    Publication date: May 30, 2013
    Applicant: BASF COATINGS GMBH
    Inventors: Matthijs Groenewolt, Alexandra Steffens, Wilfred Stübbe, Wilma Nimz
  • Publication number: 20120262664
    Abstract: The present invention relates to a process for the coating of polycarbonate substrates, in particular of transparent polycarbonate substrates, by applying a transparent coating composition encompassing at least one radiation-curing binder resin (A) and/or reactive diluent (C), nanoparticles (B), optionally solvent and at least one light stabilizer (L), to a polycarbonate substrate, wherein the coating composition comprises at least one light stabilizer (L) which comprises, per molecule, an average of at least one ethylenically unsaturated group bonded by way of a urethane group. The present invention also relates to the coating compositions used in said process, and to the coated polycarbonate substrates obtainable via is the process, and to their use.
    Type: Application
    Filed: March 27, 2010
    Publication date: October 18, 2012
    Applicant: BASF COATINGS GmbH
    Inventors: Jan-Bernd Kues, Matthijs Groenewolt, Karin Homann, Stefanie Schroeder, Andre Brosseit
  • Publication number: 20120121845
    Abstract: Disclosed is a coating composition for coating polycarbonate substrates. The coating composition comprises (A) at least one radiation-curing binder, (B) nanoparticles, and (C) optionally at least one reactive diluent and/or optionally a solvent, and wherein the nanoparticles (B) comprise silicon dioxide nanoparticles, the silicon dioxide nanoparticles have a d50 of between 80 and 300 nm, and the silicon dioxide nanoparticles have a particle size distribution wherein less than 15% by weight of the particles have a size in the range of less than 80 nm, 75% to 95% by weight of the particles have a size in the range from 80 to 300 nm, 0% to 5% by weight of the particles have a size in the range from more than 300 to 1000 nm, and 0% to 5% by weight of the particles have a size in the range from more than 1000 nm to 10 000 nm.
    Type: Application
    Filed: September 10, 2009
    Publication date: May 17, 2012
    Applicant: BASF COATINGS GMBH
    Inventors: Matthijs Groenewolt, Jan-Bernd Kues, Stefanie Schroeder, Pedro Cavaleiro, Hans-Leo Karminski, Gunther Michael