Patents by Inventor Jeff S. Salek

Jeff S. Salek 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).

  • Paintable, in-reactor blended, thermoplastic polyolefin
    Patent number: 7217768
    Abstract: A paintable impact copolymer composition is produced by in-reactor blending of a xylene insoluble polypropylene fraction and a xylene soluble ethylene-propylene rubber (EPR) fraction. The composition comprises from about 5 wt. % to about 50 wt. % a xylene-soluble portion and from about 50 wt. % to about 95 wt. % a xylene-insoluble portion. The ratio of the weight average molecular weight of said xylene-soluble portion to that of said xylene-insoluble portion is from about 0.5 to about 1.8. The intrinsic viscosity of said xylene-soluble portion is from about 0.5 to about 7.0 dL/g. The xylene-soluble portion comprises from about 30 to about 70 mole percent ethylene units.
    Type: Grant
    Filed: September 29, 2004
    Date of Patent: May 15, 2007
    Assignee: Sunoco, Inc. (R&M)
    Inventors: Jeff S. Salek, Kimberly M. McLoughlin, Dan Rosenthal, Andrew Schnitgen