Patents by Inventor John C. Legg

John C. Legg 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).

  • Alkyds
    Patent number: 4299742
    Abstract: The invention provides novel water-dispersible air-drying alkyds containing 1.25-3.75% by weight of polyalkylene oxide radicals, in particular polyethylene glycol, and novel aqueous dispersions of these alkyds (alkyd : water from 30:70 to 70:30) which can be worked into water-based paints having a glossy finish.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: November 10, 1981
    Assignee: Internationale Octrooi Maatschappij "OCTROPA" B.V.
    Inventors: Eimbert G. Belder, John C. Legg, Robert van der Linde