Patents by Inventor Harry W. Durand

Harry W. Durand 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).

  • Composition and production process for Fourdrinier fiberboard
    Patent number: 4212704
    Abstract: In a fiberboard composed of fibers bound together with a starch derivative produced by reacting maleic, phthalic, or succinic anhydride, or a combination of these anhydrides, with starch, an improvement in the Fourdrinier process for producing said fiberboard wherein the reaction product of the anhydride and starch is directly mixed, without drying, with fiber and other conventional ingredients, such as clay, and is then passed directly to the Fourdrinier machine.
    Type: Grant
    Filed: April 10, 1975
    Date of Patent: July 15, 1980
    Assignee: Grain Processing Corporation
    Inventors: Harry W. Durand, Richard D. Bunker
  • Gum confections containing potato starch
    Patent number: 4073959
    Abstract: A quick-gelling gum confection containing potato starch having a Buel fluidity of about 20-70 as the gelling agent.
    Type: Grant
    Filed: November 24, 1976
    Date of Patent: February 14, 1978
    Assignee: Grain Processing Corporation
    Inventor: Harry W. Durand