Patents by Inventor Albertus Ronald Hofkamp

Albertus Ronald Hofkamp 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: 11643501
    Abstract: The invention relates to an oxidizing, ionic and short oil alkyd resin. The invention further relates to various compositions comprising the oxidizing, ionic and short oil alkyd resin, cured compositions derived upon curing of said compositions, objects comprising the various cured or uncured compositions as well as various uses of the oxidizing, ionic and short oil alkyd resin, and of the various compositions of the invention as well as of the various objects of the invention.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: May 9, 2023
    Assignee: Covestro (Netherlands) B.V.
    Inventors: Cornelis Eme Koning, Adrianus Jozephus Hendricus Lansbergen, Amyke Veurink, Bauke De Vries, Albertus Ronald Hofkamp, Bas Jacobus Catharina Tuijtelaars
  • Patent number: 11634590
    Abstract: The present invention relates to a functional coating obtained from an aqueous coating composition, which composition comprises a pigment and a polymeric binder, wherein the binder has a weight average molecular weight of from 2000 to 50000 g/mole, and an acid value of 40 to 250, and wherein the binder is a polyester comprising a side group introduced by a Diels-Alder and/or pericyclic Ene-reaction, wherein the side group contains an ionic group and/or an ion-forming group.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: April 25, 2023
    Assignee: Lumiforte Holding B.V.
    Inventors: Bas Jacobus Catharina Tuijtelaars, Albertus Ronald Hofkamp, Cornelis Eme Koning, Paulus Franciscus Anna Buijsen, Roel Henri Martinus Weijers, Elizabeth Antoinette Maria Gerritse-van Hamersveld
  • Publication number: 20210221947
    Abstract: The invention relates to an oxidizing, ionic and short oil alkyd resin. The invention further relates to various compositions comprising the oxidizing, ionic and short oil alkyd resin, cured compositions derived upon curing of said compositions, objects comprising the various cured or uncured compositions as well as various uses of the oxidizing, ionic and short oil alkyd resin, and of the various compositions of the invention as well as of the various objects of the invention.
    Type: Application
    Filed: August 12, 2019
    Publication date: July 22, 2021
    Inventors: Cornelis Eme KONING, Adrianus Jozephus Hendricus LANSBERGEN, Amyke VEURINK, Bauke DE VRIES, Albertus Ronald HOFKAMP, Bas Jacobus Catharina TUIJTELAARS
  • Publication number: 20200087519
    Abstract: The present invention relates to a functional coating obtained from an aqueous coating composition, which composition comprises a pigment and a polymeric binder, wherein the binder has a weight average molecular weight of from 2000 to 50000 g/mole, and an acid value of 40 to 250, and wherein the binder is a polyester comprising a side group introduced by a Diels-Alder and/or pericyclic Ene-reaction, wherein the side group contains an ionic group and/or an ion-forming group.
    Type: Application
    Filed: March 16, 2018
    Publication date: March 19, 2020
    Inventors: Bas Jacobus Catharina Tuijtelaars, Albertus Ronald Hofkamp, Cornelis Eme Koning, Paulus Franciscus Anna Buijsen, Roel Henri Martinus Weijers, Elizabeth Antoinette Maria Gerritse-van Hamersveld
  • Publication number: 20130274411
    Abstract: A water-dispersible, air-drying uralkyd resin comprising the reaction product of a) of at least one fatty acid modified polyester polyol comprising components i) at least one unsaturated C6 to C30 fatty acid; ii) at least one aromatic monocarboxylic acid; iii) at least one (cyclo)aliphatic dicarboxylic acid or (cyclo)aliphatic dicarboxylic anhydride; iv) at least one polyol; b) at least one polyol having a hydroxyl value in the range of from 50 to 350 mgKOH/g; c) at least one polyol bearing ionic and/or potentially ionic water-dispersing groups with a weight average molecular weight?500 g/mol; and d) at least one polyisocyanate.
    Type: Application
    Filed: June 10, 2013
    Publication date: October 17, 2013
    Inventors: Adriaan HOFLAND, Albertus Ronald HOFKAMP, Franciscus Adrianus Cornelis BERGMAN
  • Publication number: 20130023626
    Abstract: A water-dispersible, air-drying uralkyd resin comprising the reaction product of a) of at least one fatty acid modified polyester polyol comprising components i) at least one unsaturated C6 to C30 fatty acid; ii) at least one aromatic monocarboxylic acid; iii) at least one (cyclo)aliphatic dicarboxylic acid or (cyclo)aliphatic dicarboxylic anhydride; iv) at least one polyol; b) at least one polyol having a hydroxyl value in the range of from 50 to 350 mgKOH/g; c) at least one polyol bearing ionic and/or potentially ionic water-dispersing groups with a weight average molecular weight ?500 g/mol; and d) at least one polyisocyanate.
    Type: Application
    Filed: September 24, 2012
    Publication date: January 24, 2013
    Applicant: DSM IP ASSETS B.V.
    Inventors: Adriaan HOFLAND, Albertus Ronald HOFKAMP, Franciscus Adrianus Cornelis BERGMAN
  • Publication number: 20100048812
    Abstract: A water-dispersible, air-drying uralkyd resin comprising the reaction product of a) of at least one fatty acid modified polyester polyol comprising components i) at least one unsaturated C6 to C30 fatty acid; ii) at least one aromatic monocarboxylic acid; iii) at least one (cyclo)aliphatic dicarboxylic acid or (cyclo)aliphatic dicarboxylic anhydride; iv) at least one polyol; b) at least one polyol having a hydroxyl value in the range of from 50 to 350 mgKOH/g; c) at least one polyol bearing ionic and/or potentially ionic water-dispersing groups with a weight average molecular weight ?<500 g/mol; and d) at least one polyisocyanate.
    Type: Application
    Filed: January 10, 2008
    Publication date: February 25, 2010
    Inventors: Adriaan Hofland, Albertus Ronald Hofkamp, Franciscus Adrianus Cornelis Bergman
  • Publication number: 20090312494
    Abstract: The invention concerns a method for preparing a grafted copolymer by polyunsaturated fatty acids in aqueous phase. The invention also concerns a grafted copolymer by polyunsaturated fatty acids obtainable by said method and its uses as binder in coating compositions and in particular in decorative or industrial painting compositions, in adhesive compositions or in mineral binder compositions.
    Type: Application
    Filed: October 13, 2006
    Publication date: December 17, 2009
    Inventors: William Bett, Jean-Noël Bousseau, Jean-Cristophe Castaing, Franciscus Adrianus Cornelis Bergman, Albertus Ronald Hofkamp, Gerrit Hendrik Dekker