Patents by Inventor Paul Krevenas

Paul Krevenas 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).

  • Rust resistant latex paint primer for metal surfaces
    Patent number: 4045393
    Abstract: A latex paint composition has been prepared which contains in addition to its paint composition from 5 to 15% of a basic zinc phosphite composition and from 2 to 10% of a natural drying oil. This new latex paint composition is useful for preventing flash rust stains when used on metal surfaces.
    Type: Grant
    Filed: December 24, 1975
    Date of Patent: August 30, 1977
    Assignee: N L Industries, Inc.
    Inventors: Paul Krevenas, David Graeme Milne