Patents by Inventor Peter Sopchak

Peter Sopchak 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).

  • Method for pretreatment of polyesters for metal plating
    Patent number: 4820553
    Abstract: This invention relates to a process for conditioning the surfaces of polyester and polyamide materials for electroless plating of a metal coating thereon by exposing such materials to a composition comprising a solvent system containing water, and one or more substantially water-soluble organic solvents and an effective amount of solvated hydroxide ions.
    Type: Grant
    Filed: March 9, 1984
    Date of Patent: April 11, 1989
    Assignee: Allied-Signal Inc.
    Inventors: Peter Sopchak, Adam L. Skovrinski