Patents by Inventor Walter H. Westendorp

Walter H. Westendorp 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).

  • Composition for the treatment of dyed fabric
    Patent number: 5674427
    Abstract: A composition comprising a cellulase, heat expanded perlite and a buffer and optionally a dispersing agent and/or a chelating agent useful for the treatment of a dyed fabric.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: October 7, 1997
    Assignee: Novo Nordisk A/S
    Inventors: Thomas Videb.ae butted.k, Walter H. Westendorp
  • Method for the treatment of dyed fabric
    Patent number: 5565006
    Abstract: The present invention relates to the treatment of dyed fabric comprising contacting, in an aqueous medium, the fabric with a cellulolytic enzyme and heat expanded perlite in an amount effective for providing localized variation in the color density of the surface of the dyed fabric. The present invention also relates to compositions comprising a cellulase, heat expanded perlite and a buffer and optionally a dispersing agent and/or a chelating agent.
    Type: Grant
    Filed: October 24, 1993
    Date of Patent: October 15, 1996
    Assignee: Novo Nordisk A/S
    Inventors: Thomas Videb.ae butted.k, Walter H. Westendorp