Patents by Inventor Gabriella Wis-Surel

Gabriella Wis-Surel 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).

  • Hair colorants
    Patent number: 5112359
    Abstract: Certain dispersant free substituted diaminoanthaquinone colorants are useful in hair dye compositions to more intensely color hair. Coloring kits, mousses, gels, and aerosols may contain the compositions.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: May 12, 1992
    Assignee: Clairol, Inc.
    Inventors: Bryan P. Murphy, Gabriella Wis-Surel