Patents by Inventor Jules Caspar Roelofs

Jules Caspar Roelofs 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).

  • TITANIUM DIOXIDE BASED COLOUR CONCENTRATE FOR POLYESTER MATERIALS
    Publication number: 20090220715
    Abstract: The invention is directed to a titanium dioxide based colour concentrate, suitable for colouring polyester materials, said concentrate comprising, based on the weight of the concentrate, more than 50% of titanium dioxide, up to 20% of at least one wax selected from the group of glycerol monostearate, hydrogenated castor oil and polyethoxylated glycols, and up to 30% of at least one polyester.
    Type: Application
    Filed: May 4, 2007
    Publication date: September 3, 2009
    Inventors: Johan Jozef M. Werink, Andries Maria De Jager, Jeroen Stoop, Jules Caspar A. A. Roelofs
  • Synthetic Organoclay Materials
    Publication number: 20070199481
    Abstract: The present invention is directed to synthetic cationic organo-stevensite clay material, in the use thereof in nanocomposites and to the production thereof.
    Type: Application
    Filed: September 14, 2004
    Publication date: August 30, 2007
    Applicant: Engelhard Corporation
    Inventor: Jules Caspar Roelofs