Patents by Inventor Harriet Jeanne Spinn Kendrick

Harriet Jeanne Spinn Kendrick 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).

  • Oil free compounds of styrenic block copolymers, amorphous polyolefins, and carbon black
    Patent number: 6133350
    Abstract: An oil-free compound which comprises from 20 to 90% by weight of a block copolymer of a vinyl aromatic hydrocarbon and a conjugated diene optionally hydrogenated, from 10 to 70% by weight of a low viscosity amorphous polyolefin, and from 0.1 to 20% by weight of carbon black. A stable oil-free bituminous composition which comprises from 80 to 98% by weight of a bituminous component, from 2 to 20% by weight of the above compound. A membrane suitable for single ply roofing prepared from the above compound.
    Type: Grant
    Filed: August 1, 1997
    Date of Patent: October 17, 2000
    Assignee: Shell Oil Company
    Inventors: Robert Quillin Kluttz, Harriet Jeanne Spinn Kendrick