Patents by Inventor Iris Holder

Iris Holder 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).

  • Multicolor coating system
    Patent number: 4264322
    Abstract: This invention provides an aqueous gel composition which is adapted for application on the surface of articles to achieve a sharply defined multicolor pattern effect.The aqueous gel composition consists of an aqueous gel matrix which has dispersed therein one or more immiscible colorant gel phases.
    Type: Grant
    Filed: September 7, 1979
    Date of Patent: April 28, 1981
    Assignee: Celanese Corporation
    Inventors: Richard H. Lewis, Iris Holder, Michael L. Finney