Patents by Inventor Raymond Sieradzki

Raymond Sieradzki 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).

  • Water-based ink compositions
    Patent number: 4954556
    Abstract: Disclosed herein are water-based ink compositions comprising an emulsion polymer and a rewetting agent comprising a substantially high amount of a surfactant.
    Type: Grant
    Filed: November 20, 1989
    Date of Patent: September 4, 1990
    Assignee: PPG Industries, Inc.
    Inventors: Larry J. Bull, Raymond Sieradzki, Kurt G. Olson