Patents by Inventor John C. Foley

John C. Foley 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).

  • Manufacture of spheroidal alumina particles
    Patent number: 3979334
    Abstract: Spheroidal alumina particles of improved physical stability are prepared in greater yield by aging an alumina hydrosol-hexamethylene-tetramine mixture prior to dispersing the same as droplets in a hot oil bath with the formation of spheroidal hydrogel particles.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: September 7, 1976
    Assignee: Universal Oil Products Company
    Inventors: Richard K. Lee, John C. Foley