Patents by Inventor Harrie Peter Schoots

Harrie Peter Schoots 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).

  • Method for dyeing textiles
    Patent number: 7201780
    Abstract: A method for dyeing textiles with reducible dyes in the presence of borohydride and bisulfite.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: April 10, 2007
    Assignee: Rohm and Haas Company
    Inventor: Harrie Peter Schoots
  • Methods for use in wool whitening and garment washing
    Patent number: 6663677
    Abstract: Improved methods for wool whitening and garment washing are provided. More particularly, methods of the present invention employ a first reducing agent, preferably a borohydride material, and a second reducing agent, preferably a bisulfite material, to increase the brightness (whiteness) of wool and to reduce color components in certain garments, particularly denim. Methods of the present invention are particularly useful in the garment and piece goods industries.
    Type: Grant
    Filed: September 17, 2001
    Date of Patent: December 16, 2003
    Assignee: Rohm and Haas Company
    Inventors: Harrie Peter Schoots, Lester Franklin Stevens, Jr.
  • Methods for use in wool whitening and garment washing
    Publication number: 20020042955
    Abstract: Improved methods for wool whitening and garment washing are provided. More particularly, methods of the present invention employ a first reducing agent, preferably a borohydride material, and a second reducing agent, preferably a bisulfite material, to increase the brightness (whiteness) of wool and to reduce color components in certain garments, particularly denim. Methods of the present invention are particularly useful in the garment and piece goods industries.
    Type: Application
    Filed: September 17, 2001
    Publication date: April 18, 2002
    Inventors: Harrie Peter Schoots, Lester Franklin Stevens