Patents by Inventor Dirk Jan Vincent Christiaan Van Steenis

Dirk Jan Vincent Christiaan Van Steenis 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).

  • Coating composition comprising a polyisocyanate and a polyol
    Patent number: 10144795
    Abstract: The invention relates to a non-aqueous coating composition comprising a. a polyisocyanate, b. a polyol having an average functionality of more than 3 hydroxyl groups per molecule, c. a metal based curing catalyst for the addition reaction of isocyanate groups and hydroxyl groups, and d. a mercapto carboxylic acid, wherein the coating composition does not contain a carboxylic acid wherein the carbonyl group of the carboxylic acid is in conjugation with a ?-electron system.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: December 4, 2018
    Assignee: Akzo Nobel Coatings International B.V.
    Inventors: Dirk Jan Vincent Christiaan Van Steenis, Hendrik Jan Willem Van Den Haak, Taco Scherer
  • Coating Composition Comprising a Polyisocyanate and a Polyol
    Publication number: 20180002475
    Abstract: The invention relates to a non-aqueous coating composition comprising a. a polyisocyanate, b. a polyol having an average functionality of more than 3 hydroxyl groups per molecule, c. a metal based curing catalyst for the addition reaction of isocyanate groups and hydroxyl groups, and d. a mercapto carboxylic acid, wherein the coating composition does not contain a carboxylic acid wherein the carbonyl group of the carboxylic acid is in conjugation with a ?-electron system.
    Type: Application
    Filed: July 14, 2017
    Publication date: January 4, 2018
    Applicant: Akzo Nobel Coatings International B.V.
    Inventors: Dirk Jan Vincent Christiaan Van Steenis, Hendrik Jan Willem Van Den Haak, Taco Scherer
  • Coating composition comprising a polyisocyanate and a polyol
    Patent number: 9745401
    Abstract: The invention relates to a non-aqueous coating composition comprising a. a polyisocyanate, b. a polyol having an average functionality of more than 3 hydroxyl groups per molecule, c. a metal based curing catalyst for the addition reaction of isocyanate groups and hydroxyl groups, and d. a mercapto carboxylic acid, wherein the coating composition does not contain a carboxylic acid wherein the carbonyl group of the carboxylic acid is in conjugation with ?-electron system.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: August 29, 2017
    Assignee: Akzo Nobel Coatings International B.V.
    Inventors: Dirk Jan Vincent Christiaan Van Steenis, Hendrik Jan Willem Van Den Haak, Taco Scherer
  • COATING COMPOSITION COMPRISING A POLYISOCYANTE AND A POLYOL
    Publication number: 20110212267
    Abstract: The invention relates to a non-aqueous coating composition comprising a. a polyisocyanate, b. a polyol having an average functionality of more than 3 hydroxyl groups per molecule, c. a metal based curing catalyst for the addition reaction of isocyanate groups and hydroxyl groups, and d. a mercapto carboxylic acid, wherein the coating composition does not contain a carboxylic acid wherein the carbonyl group of the carboxylic acid is in conjugation with ?-electron system.
    Type: Application
    Filed: October 19, 2009
    Publication date: September 1, 2011
    Inventors: Dirk Jan Vincent Christiaan Van Steenis, Hendrik Jan Willem Van Den Haak, Taco Scherer