Patents by Inventor David Brunetti

David Brunetti 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).

  • Patent number: 5532362
    Abstract: The present invention is directed to a dioxazine dye which provides brilliant reddish blue dyeings possessing superior fastness properties and high tinctorial strength.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: July 2, 1996
    Assignee: Hoechst Celanese Corporation
    Inventors: Walter Helmling, David Brunetti, Uwe Reiher