Patents by Inventor Maria M. Kapucinski

Maria M. Kapucinski 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).

  • Hydrocarbon compositions containing polyolefin graft polymers
    Patent number: 4732942
    Abstract: Lubricating oil compositions of improved dispersancy contain an ethylene-propylene copolymer grafted onto which is acrylic acid dimer, the free carboxyl group of which has thereafter been amidized with diethylene triamine.
    Type: Grant
    Filed: September 2, 1986
    Date of Patent: March 22, 1988
    Assignee: Texaco Inc.
    Inventors: Christopher S. Liu, Benjamin J. Kaufman, Maria M. Kapucinski