Patents by Inventor Charles Joseph Wasserman

Charles Joseph Wasserman 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).

  • Aqueous primer coating composition and use
    Patent number: 10301478
    Abstract: An aqueous primer coating composition to a substrate comprises an aqueous cationic polyurethane and an aqueous polymer of oxazoline or N-vinylpyrrolidone. Also disclosed is a method applying the coating composition to the substrate and an electrophotographical printing medium coated with the coating composition.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: May 28, 2019
    Assignee: HERCULES LLC
    Inventors: Venkataramanan Seshadri, Charles Joseph Wasserman, Biswajit Ghosh, Byoungchul Lee