Patents by Inventor Dante J. Rutstrom

Dante J. Rutstrom 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: 5951718
    Abstract: A method of coloring keratinous fibers with, and coloring compositions comprising, a sulfo-containing, water-dispersible polymer having carbonyloxy linking groups, and a colorant reacted into or onto the polymer backbone.
    Type: Grant
    Filed: January 8, 1998
    Date of Patent: September 14, 1999
    Assignee: Bristol-Myers Squibb Company
    Inventors: James J. Krutak, Dante J. Rutstrom, Keith C. Brown, Mario L. Garcia
  • Patent number: 5876463
    Abstract: Compositions for coloring keratinous fibers comprising a sulfo-containing, water-dispersible polymer having carbonyloxy linking groups, and a colorant reacted into or onto the polymer backbone.
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: March 2, 1999
    Assignee: Bristol-Myers Squibb Company
    Inventors: Mario L. Garcia, James J. Krutak, Keith C. Brown, Dante J. Rutstrom
  • Patent number: 5735907
    Abstract: A method of coloring keratinous fibers with, and coloring compositions comprising, a sulfo-containing, water-dispersible polymer having carbonyloxy linking groups, and a colorant reacted into or onto the polymer backbone.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: April 7, 1998
    Assignee: Clairol, Inc.
    Inventors: James J. Krutak, Dante J. Rutstrom, Keith C. Brown, Mario L. Garcia