Patents by Inventor Matt D. Gieselman

Matt D. Gieselman 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).

  • Dispersant viscosity modifiers containing aromatic amines
    Patent number: 7960320
    Abstract: Reaction of a carboxylic acid-containing polymer with certain aromatic amines results in dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with reaction with non-aromatic amines.
    Type: Grant
    Filed: August 18, 2010
    Date of Patent: June 14, 2011
    Assignee: The Lubrizol Corporation
    Inventors: Michael J. Covitch, John K. Pudelski, Christopher Friend, Matt D. Gieselman, Renee A. Eveland, Mary Galic Raguz, Barton J. Schober
  • Dispersant Viscosity Modifiers Containing Aromatic Amines
    Publication number: 20100311624
    Abstract: Reaction of a carboxylic acid-containing polymer with certain aromatic amines results in dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with reaction with non-aromatic amines.
    Type: Application
    Filed: August 18, 2010
    Publication date: December 9, 2010
    Inventors: Michael J. Covitch, John K. Pudelski, Christopher Friend, Matt D. Gieselman, Renee A. Eveland, Mary Galic Raguz, Barton J. Schober
  • Dispersant viscosity modifiers containing aromatic amines
    Patent number: 7790661
    Abstract: Reaction of a carboxylic acid-containing polymer with certain aromatic amines results in dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with reaction with non-aromatic amines.
    Type: Grant
    Filed: July 29, 2005
    Date of Patent: September 7, 2010
    Assignee: The Lubrizol Corporation
    Inventors: Michael J. Covitch, John K. Pudelski, Christopher Friend, Matt D. Gieselman, Renee A. Eveland, Mary Galic Raguz, Barton J. Schober