Patents by Inventor William L. Runyon, Jr.

William L. Runyon, Jr. 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).

  • Urethane-based water-proofing/sound-proofing coating composition
    Patent number: 4025683
    Abstract: A water-proofing/sound-proofing coating composition comprises, in order, from a surface to be coated (A) a prime coat comprising (1) a paint binder, (2) a heat absorber, comprising a dark, preferably black, pigment, (3) a volatile solvent, and optionally (4) an inert fller, and (B) a membrane coat comprising (1) a polyurethane formed from (a) a mixture of high molecular weight polyols and low molecular weight chain stiffeners and (b) a polyisocyanate, (2) a nonvolatile extender and (3) a volatile solvent. The surfacing composition can also include an overlay of a wearing surface such as an asphalt concrete.
    Type: Grant
    Filed: August 15, 1975
    Date of Patent: May 24, 1977
    Assignee: Chevron Research Company
    Inventors: Arthur L. Meader, Jr., William L. Runyon, Jr.