Patents by Inventor Pamela L. Claassen

Pamela L. Claassen 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).

  • Water resistant aluminum particles and coating
    Patent number: 4565716
    Abstract: Metal particles, e.g. aluminum, are treated with ionic organic phosphate, being thereby transformed to a state capable of resisting attack from an aqueous medium. The treated particles may be incorporated into a water-borne coating.
    Type: Grant
    Filed: July 5, 1983
    Date of Patent: January 21, 1986
    Assignee: Aluminum Company of America
    Inventors: James E. Williams, Jr., Pamela L. Claassen
  • Metal pigment of improved storage resistance
    Patent number: 4522655
    Abstract: In a composition of matter including a leafing, metallic pigment and a means for inhibiting reaction of the pigment to form hydrogen gas, the improvement including a liquid fatty acid in an amount effective for at least reducing loss of optical properties which would occur in the absence of such fatty acid.A water-borne coating containing an effective amount of liquid fatty acid for improved optical properties.
    Type: Grant
    Filed: July 5, 1983
    Date of Patent: June 11, 1985
    Assignee: Aluminum Company of America
    Inventors: Pamela L. Claassen, A. David Booz