Patents by Inventor Richard Gerardus Johannes Maria Van Heugten

Richard Gerardus Johannes Maria Van Heugten 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).

  • Thixotropic amino formaldehyde resin
    Patent number: 6642305
    Abstract: A thixotropic amino formaldehyde resin with a urea-functional compound, obtainable by adding a polyisocyanate-functional compound to a monoamine-functional compound or a monoisocyanate-functional compound to a polyamine-functional compound in the presence of the amino formaldehyde resin and reacting the amine and isocyanate-functional compounds to form the urea-functional compound entangled to the resin. The thixotropic amino formaldehyde resin can be used in the formulation of coating or adhesive compositions.
    Type: Grant
    Filed: June 19, 2001
    Date of Patent: November 4, 2003
    Assignee: Akzo Nobel N.V.
    Inventors: Richard Gerardus Johannes Maria Van Heugten, Johannes Bernardus Van Der Sanden, Cornelis Adrianus Maria Vijverberg
  • Thixotropic amino formaldehyde resin
    Publication number: 20020082324
    Abstract: A thixotropic amino formaldehyde resin with a urea-functional compound, obtainable by adding a polyisocyanate-functional compound to a monoamine-functional compound or a monoisocyanate-functional compound to a polyamine-functional compound in the presence of the amino formaldehyde resin and reacting the amine and isocyanate-functional compounds to form the urea-functional compound entangled to the resin. The thixotropic amino formaldehyde resin can be used in the formulation of coating or adhesive compositions.
    Type: Application
    Filed: June 19, 2001
    Publication date: June 27, 2002
    Inventors: Richard Gerardus Johannes Maria Van Heugten, Johannes Bernardus Van Der Sanden, Cornelis Adrianus Maria Vijverberg