Patents by Inventor Roy J. Phillips

Roy J. Phillips 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).

  • Metallurgical fluxes
    Patent number: 5240492
    Abstract: A metallurgical flux is provided as bonded particulates in granular or briquette form, which contains fluxing ingredients, binder and an expanding agent whereby action of heat in contact with molten metal causes expansion of the expanding agent to break down the bonded particulates into particulate form.
    Type: Grant
    Filed: April 9, 1992
    Date of Patent: August 31, 1993
    Assignee: Foseco International Limited
    Inventors: Roy J. Phillips, James A. Moore