Patents by Inventor John Wejinen

John Wejinen 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).

  • Air-drying paint compositions comprising carbohydrate-based polyesters
    Publication number: 20050049386
    Abstract: The invention relates to a polyester obtainable by transesterification or interesterification of:(i) a carbohydrate or an acyl ester thereof, (ii) an alkyl ester of a drying fatty acid, semi-drying fatty acid or mixture thereof; and (iii) an alkyl ester of a non aromatic polycarboxylic acid. 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: March 3, 2005
    Inventors: Everardus Oostveen, John Wejinen, Jacco Haveren, Michel Gillard