Patents by Inventor Peter R. Sliwinski

Peter R. Sliwinski 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).

  • Composition and process for coating metallic surfaces
    Patent number: 5092924
    Abstract: A no-rinse aqueous chemical composition for treating a metallic surface prior to application of an organic siccative coating characterized in that it comprises from 1.5 to 40 g/l (total) of Cr (VI) and optionally one or more of Ni, Co, Mg, Fe and Zn, and from 0.3 to 6.0 g/l (total) of F and optionally PO.sub.4.sup.3- is disclosed.A process for treating a metallic surface prior to application of an organic siccative coating characterized in that it comprises applying to the surface such a composition and not rinsing is also disclosed.
    Type: Grant
    Filed: December 7, 1989
    Date of Patent: March 3, 1992
    Assignee: Novamax Technologies Corporation
    Inventors: John G. Biggin, Peter R. Sliwinski, Peter J. Mitchell