Patents by Inventor Robert Thomas Nilsson

Robert Thomas Nilsson 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).

  • Catalyzed soot filter
    Patent number: 7438739
    Abstract: An improved catalyzed soot filter is comprised of a porous ceramic having, on at least a portion of the porous ceramic, an amorphous catalytic phase comprised of an alkali containing oxide glass having therein Si, Al or combination thereof. The improved catalyzed soot filter may be formed by contacting a porous ceramic such as mullite, silcon carbide or cordierite with an alkali containing compound that is a silicate, aluminate or alumino-siliicate and heating to a temperature sufficient to form an amorphous catalytic phase fused to at least a portion of the porous ceramic.
    Type: Grant
    Filed: July 26, 2005
    Date of Patent: October 21, 2008
    Assignee: Dow Global Technologies Inc.
    Inventors: Robin Paul Ziebarth, Robert Thomas Nilsson