Patents by Inventor Herman Ernest Seymus

Herman Ernest Seymus 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).

  • Fluorocarbon polymer coating compositions containing mica particles
    Patent number: 4031286
    Abstract: Aqueous fluorocarbon polymer coating compositions which contain colloidal silica and mica particles are provided. These compositions are useful for coating substrates, especially metallic cookware and bakeware to give non-stick finishes having improved resistance degradation by hot oil.
    Type: Grant
    Filed: February 25, 1976
    Date of Patent: June 21, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Herman Ernest Seymus
  • Fluorocarbon polymer coating compositions containing mica particles
    Patent number: 3970627
    Abstract: Aqueous fluorocarbon polymer coating compositions which contain mica particles or mica particles coated with a pigment such as titanium dioxide are provided. These compositions are useful for coating substrates, especially metallic cookware and bakeware to give a non-stick finish of improved post oil adhesion.
    Type: Grant
    Filed: September 24, 1973
    Date of Patent: July 20, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Herman Ernest Seymus