Patents by Inventor Durward Fryar

Durward Fryar 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).

  • Process for forming a barrier phase
    Patent number: 4393643
    Abstract: A process for forming a barrier phase between two incompatible phases comprising forming a thin layer of barrier material on the outer surface of a pin; placing the coated pin into a package or mold form designed to contain the total product; putting the molten outer phase into the space between the coated pin and the outer wall(s) of the package or mold form and allowing the outer phase to solidify; removing the pin leaving the barrier phase attached to the outer phase; and putting the inner phase into the space previously occupied by the pin.
    Type: Grant
    Filed: July 29, 1982
    Date of Patent: July 19, 1983
    Assignee: The Procter & Gamble Company
    Inventors: Durward Fryar, Jerome J. Schmitz