Patents by Inventor Kerry Proulx

Kerry Proulx 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).

  • Dye compositions for polyamides
    Patent number: 5456727
    Abstract: The invention is a dye composition containing two or more dyes of the vinyl sulfone type which can be used in combination to dye polyamide substrates. Preferably the dye compositions of the invention contain at least three dyes of different primary colors.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: October 10, 1995
    Assignee: Hoechst Celanese Corporation
    Inventors: Walter Heimling, Mark Helle, Kerry Proulx, Leslie McIntosh, Philomen DeCroos