Patents by Inventor John Weijnen

John Weijnen 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).

  • Publication number: 20220275242
    Abstract: An auto-oxidisable coating composition comprising: (a) a modified alkyd resin, wherein the modified alkyd resin comprises the reaction product of reactants comprising: i. a polybasic acid or anhydride thereof; ii. a polyhydric alcohol; iii. an unsaturated fatty acid or oil; and iv. an unsaturated conjugated monocarboxylic acid having up to 10 carbon atoms; and (b) a primary drying agent comprising a metal selected from the group comprising manganese, vanadium and iron, and mixtures thereof, wherein the primary drying agent is substantially free of cobalt.
    Type: Application
    Filed: July 10, 2020
    Publication date: September 1, 2022
    Applicant: PPG Europe B.V.
    Inventors: John Weijnen, Jan Bandzuch, Jarmila Vlasáková
  • Patent number: 10202513
    Abstract: The invention relates to a coating composition comprising an oxidatively drying binder and an anti-skinning agent, the anti-skinning agent comprising: a) a diketone of formula (I) (b) an aldoxime or ketoxime of formula (II) wherein R1, R2, R3, R4 and n have the same meaning as that defined by the present application.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: February 12, 2019
    Assignee: PPG Coatings Europe B.V.
    Inventors: John Weijnen, Cornelis Brandjes
  • Publication number: 20180334549
    Abstract: The invention provides a drier composition for an air-drying alkyd based coating composition, comprising: a) at least one metal complex comprising a metal and at least one monodentate, bidentate, tridentate, tetradentate, pentadentate and/or hexadentate nitrogen donor ligand, wherein the metal is selected from Fe and Mn, and wherein the metal complex is present in the drier composition in an amount of 0.005 to 99.5 percent by weight metal, based on the total weight of metal and potassium in the drier composition; and b) at least one K salt of octoic acid, naphthenic acid, neodecanoic acid, and/or 2-ethylhexanoic acid; wherein the K salt is present in the drier composition in an amount of 0.5 to 99.995 percent by weight potassium, based on the total weight of metal and potassium in the drier composition. The present invention also relates to a coating composition comprising said drier composition and the use thereof.
    Type: Application
    Filed: July 30, 2018
    Publication date: November 22, 2018
    Inventors: John Weijnen, Martin Bloem, Dirk Klomp
  • Publication number: 20180265470
    Abstract: The invention relates to a drier composition for an autoxidizable alkyd based coating composition, comprising: a) at least one Fe complex comprising Fe and at least one nitrogen donor ligand, wherein the nitrogen donor ligand is selected from tridentate, tetradentate, pentadentate and hexadentate nitrogen donor ligands; b) at least one metal salt of a carboxylic acid, wherein the metal is selected from Mn, Ce, V, and Cu; and c) at least one ligand comprising at least one moiety selected from 1,4,7-tri-azacyclononanyl, 2,2?-bipyridyl, 1,10-phenantrolinyl, imidazolyl, pyrazolyl, porphyrinyl, aliphatic, cycloaliphatic, and aromatic amines.
    Type: Application
    Filed: May 16, 2018
    Publication date: September 20, 2018
    Inventors: Tjian Hong Ang, John Weijnen
  • Patent number: 10077353
    Abstract: The invention relates to a drier composition for an oxidatively air-drying alkyd based coating composition, comprising: a) at least one metal complex comprising a metal and at least one nitrogen donor ligand, wherein the metal is selected from the group consisting of Fe and Mn, and wherein said at least nitrogen donor ligand is selected from the group comprising monodentate, bidentate, tridentate, tetradentate, pentadentate and hexadentate nitrogen donor ligands; and b) at least one K salt of an organic acid. The present invention also relates to a coating composition comprising said drier composition and the use thereof.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: September 18, 2018
    Assignee: PPG Europe BV
    Inventors: John Weijnen, Martin Bloem, Dirk Klomp
  • Publication number: 20180171084
    Abstract: Disclosed is a resinous adhesion promoter composition comprising a random copolymer having first and second constitutional monomeric units, the first monomeric units comprising functional groups that promote adhesion to a substrate and the second monomeric units being derived from ethylenically unsaturated monomers and comprising other functional groups that promote adhesion to a substrate.
    Type: Application
    Filed: December 20, 2017
    Publication date: June 21, 2018
    Inventors: Lorraine Hsu, Wei Wang, Tyler Gregorchik, Robert W. White, Chinming Hui, John Weijnen, Yu Wang, Stephen John Thomas, Lan Deng
  • Patent number: 9796875
    Abstract: The invention relates to a coating composition comprising: a) at least one alkyd binder with an oil content of at least 45 wt % and at most 85 wt %, a modified alkyd binder, or a combination thereof; b) at least one amine or imine component selected from the group comprising: polyaspartic acids and esters thereof, (meth)acrylate/aspartate amines, aldimines, ketimines, and combinations thereof; and c) at least one isocyanate compound.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: October 24, 2017
    Assignee: PPG Europe BV
    Inventors: John Weijnen, Joost De Wit
  • Publication number: 20170253752
    Abstract: The invention relates to a coating composition comprising an oxidatively drying binder and an anti-skinning agent, the anti-skinning agent comprising: a) a diketone of formula (I) (b) an aldoxime or ketoxime of formula (II) wherein R1, R2, R3, R4 and n have the same meaning as that defined by the present application.
    Type: Application
    Filed: October 9, 2014
    Publication date: September 7, 2017
    Inventors: John Weijnen, Cornelis Brandjes
  • Publication number: 20160304747
    Abstract: The invention relates to a drier composition for an autoxidizable alkyd based coating composition, comprising: a) at least one Fe complex comprising Fe and at least one nitrogen donor ligand, wherein said at least nitrogen donor ligand is selected from the group comprising tridentate, tetradentate, pentadentate and hexadentate nitrogen donor ligands; b) at least one metal salt of a carboxylic acid, wherein the metal is selected from the group comprising: Mn, Ce, V, and Cu, preferably Mn; and c) at least one ligand comprising at least one moiety selected from the group comprising 1,4,7-tri-azacyclononanyl, 2,2?-bipyridyl, 1,10-phenantrolinyl, imidazolyl, pyrazolyl, porphyrinyl, aliphatic, cycloaliphatic, and aromatic amines. The present invention also relates to coating composition comprising the drier composition, and the uses thereof.
    Type: Application
    Filed: December 3, 2014
    Publication date: October 20, 2016
    Inventors: Tjian Hong Ang, John Weijnen
  • Patent number: 9145501
    Abstract: The invention relates to composition comprising at least one modified alkyd binder, selected from a (meth)acrylate modified alkyd binder and a vinyl modified alkyd binder, wherein the (meth)acrylate modified alkyd and the vinyl modified alkyd binder comprise at least one —C(R100)=CH2 group, wherein R100 is hydrogen or methyl; and at least one metal complex comprising a metal or a metal salt of an organic acid or inorganic anion and at least one ligand, wherein the metal is selected from Fe and Mn, and wherein said at least one ligand is a nitrogen donor ligand, selected from the group comprising monodentate, bidentate, tridentate, tetradentate, pentadentate and hexadentate nitrogen donor ligands.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: September 29, 2015
    Assignee: PPG Europe BV
    Inventors: John Weijnen, Dirk Klomp
  • Patent number: 9045665
    Abstract: The present invention relates to a solvent borne coating composition that comprises an autoxidizable film-forming alkyd binder and a drier system for the autoxidation of the binder, wherein the drier system comprises: (a) at least 0.001 wt % metal, based on binder solids, of at least one metal salt of an organic acid wherein the metal is selected from the group consisting of V, Ce, or Fe; (b) at least 0.01 wt % metal, based on binder solids, of at least one Co salt of an organic acid; and (c) at least 0.01 wt % metal, based on binder solids, of at least one metal salt of an organic acid wherein the metal is selected from the group consisting of Ca, Zn, Ba, K or Li.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: June 2, 2015
    Assignee: PPG EUROPE B.V.
    Inventors: John Weijnen, Ton Van Den Berg
  • Publication number: 20140221520
    Abstract: The invention relates to composition comprising at least one modified alkyd binder, selected from a (meth)acrylate modified alkyd binder and a vinyl modified alkyd binder, wherein the (meth)acrylate modified alkyd and the vinyl modified alkyd binder comprise at least one —C(R100)?CH2 group, wherein R100 is hydrogen or methyl; and at least one metal complex comprising a metal or a metal salt of an organic acid or inorganic anion and at least one ligand, wherein the metal is selected from Fe and Mn, and wherein said at least one ligand is a nitrogen donor ligand, selected from the group comprising monodentate, bidentate, trident ate, tetradentate, pentadentate and hexadentate nitrogen donor ligands.
    Type: Application
    Filed: September 26, 2012
    Publication date: August 7, 2014
    Applicant: PPG EUROPE BV
    Inventors: John Weijnen, Dirk Klomp
  • Publication number: 20140194571
    Abstract: The invention relates to a coating composition comprising: a) at least one alkyd binder with an oil content of at least 45 wt % and at most 85 wt %, a modified alkyd binder, or a combination thereof; b) at least one amine or imine component selected from the group comprising: polyaspartic acids and esters thereof, (meth)acrylate/aspartate amines, aldimines, ketimines, and combinations thereof; and c) at least one isocyanate compound.
    Type: Application
    Filed: August 17, 2012
    Publication date: July 10, 2014
    Applicant: PPG Europe BV
    Inventors: John Weijnen, Joost De Wit
  • Publication number: 20130274386
    Abstract: The invention relates to a drier composition for an oxidatively air-drying alkyd based coating composition, comprising: a) at least one metal complex comprising a metal and at least one nitrogen donor ligand, wherein the metal is selected from the group consisting of Fe and Mn, and wherein said at least nitrogen donor ligand is selected from the group comprising monodentate, bidentate, tridentate, tetradentate, pentadentate and hexadentate nitrogen donor ligands; and b) at least one K salt of an organic acid. The present invention also relates to a coating composition comprising said drier composition and the use thereof.
    Type: Application
    Filed: December 15, 2010
    Publication date: October 17, 2013
    Applicant: PPG EUROPE BV
    Inventors: John Weijnen, Martin Bloem, Dirk Klomp
  • Publication number: 20120010344
    Abstract: The present invention relates to a solvent borne coating composition that comprises an autoxidizable film-forming alkyd binder and a drier system for the autoxidation of the binder, wherein the drier system comprises: (a) at least 0.001 wt % metal, based on binder solids, of at least one metal salt of an organic acid wherein the metal is selected from the group consisting of V, Ce, or Fe; (b) at least 0.01 wt % metal, based on binder solids, of at least one Co salt of an organic acid; and (c) at least 0.01 wt % metal, based on binder solids, of at least one metal salt of an organic acid wherein the metal is selected from the group consisting of Ca, Zn, Ba, K or Li.
    Type: Application
    Filed: March 16, 2010
    Publication date: January 12, 2012
    Inventors: John Weijnen, Ton Van Den Berg
  • Publication number: 20050215751
    Abstract: The invention relates to a polyester obtainable by transesterification or interesterification of: (i) inulin of general formula G(F)n or an acyl ester thereof, wherein G represents a glucose moiety, F represents a fructose moiety, and n is at least 2, and (ii) a drying oil, a semi-drying oil or derived alkyl esters thereof. The invention further relates to a method for the preparation of a polyester comprising the step of transesterification or interesterification.
    Type: Application
    Filed: January 28, 2003
    Publication date: September 29, 2005
    Inventors: Evarardus Oostveen, John Weijnen, Jacco Haveren, Michel Gillard
  • Publication number: 20050042379
    Abstract: The invention relates to the use of a fatty acid modified carbohydrate obtainable by reaction of: (i) at least one carbohydrate or an acyl ester thereof; and (ii) a fatty acid, an alkyl ester thereof or a derivative thereof as a reactive diluent in a coating. The invention further relates to a coating which includes at least one binder and, as a reactive diluent, a fatty acid modified carbohydrate obtainable by reaction of (i) at least one carbohydrate or an acyl ester thereof; and (ii) a fatty acid, an alkyl ester thereof or a derivative thereof.
    Type: Application
    Filed: January 28, 2003
    Publication date: February 24, 2005
    Inventors: Evarardus Oostveen, John Weijnen, Jacco Haveren, Michel Gillard