Patents by Inventor Ernest Richard Novak

Ernest Richard Novak 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).

  • Acrylic graft copolymers blended with acrylic resins
    Patent number: 4097553
    Abstract: A process which improves the handleability of resilient, acrylic graft rubber particles which comprises coagulating the rubber particles, then contacting the coagulated particles in the coagulation medium with a dispersion of a non-resilient alkyl methacrylate resin and coagulating the alkyl methacrylate resin on the surface of the rubber particles. The particles of alkyl methacrylate resin adhere to the rubber particles and prevent the normally sticky rubber particles from adhering to one another.
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: June 27, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Ernest Richard Novak