Patents by Inventor Andr e Vandersmissen

Andr e Vandersmissen 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).

  • Aqueous polyurethane compositions
    Patent number: 5541251
    Abstract: Aqueous selfcrosslinkable resin composition comprising an aqueous dispersion of at least one polyurethane polymer having anionic salt groups as sole chain-pendant functional group and at least one vinyl polymer having chain-pendant acetoacetoxyalkyl ester groups. A selfcrosslinking reaction between the polyurethane polymer and the vinyl polymer will take place during and/or after film formation, resulting in the formation of a polymeric film having properties not found to be those of the non-functional polymer components.
    Type: Grant
    Filed: January 12, 1995
    Date of Patent: July 30, 1996
    Assignee: U C B S.A.
    Inventors: Dirk Bontinck, Michel Tielemans, Jean-Marie Loutz, Andr e Vandersmissen, Luc De Koninck