Patents by Inventor Leslie E. Campbell

Leslie E. Campbell 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).

  • Film former emulsification
    Patent number: 4451594
    Abstract: A method of emulsifying an unsaturated diallylphthalate-based resin to form a continuous water phase emulsion which involves mixing a diallylphthalate-based resin with a specified emulsifying agent, adding water and agitating to form an emulsion in which the aqueous phase is the continuous phase.
    Type: Grant
    Filed: March 10, 1983
    Date of Patent: May 29, 1984
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Leslie E. Campbell