Patents by Inventor Luc Alexander Jozef Mattheus

Luc Alexander Jozef Mattheus 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).

  • Dispersion of pigments
    Patent number: 6582505
    Abstract: Aqueous pigment dispersions include branched alcohol alkoxylates of formula (I) as set forth in the specification and claims. The total dispersant used may include at least 40% by weight of the branched alcohol alkoxylate. The pigment dispersion is effective for a wide variety of pigments, including, inorganic pigments, organic pigments and carbon black. The pigment dispersions are useful, for example, in paints and other surface coatings.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: June 24, 2003
    Assignee: Imperial Chemical Industries PLC
    Inventors: Alain Bouvy, Luc Alexander Jozef Mattheus