Patents by Inventor Guy Jean Leon Biesmans

Guy Jean Leon Biesmans 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).

  • Process for the preparation of polyurethane foams
    Patent number: 5889071
    Abstract: A process for the preparation of polyurethane foams by reacting a polyisocyanate composition with an isocyanate-reactive composition under foam-forming conditions, wherein the isocyanate-reactive composition comprises a monofunctional alcohol and an isocyanate-reactive cyclic urea.
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: March 30, 1999
    Assignee: Imperial Chemical Industries PLC
    Inventors: Guy Jean Leon Biesmans, Els Jeanne Francine Van Isterdael