Patents by Inventor Dawn Rigby

Dawn Rigby 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).

  • Liquid Whitening Maintenance Composition
    Publication number: 20090118155
    Abstract: The present invention provides a liquid laundry liquid detergent formulation comprising a dye that reduces precipitation of the dye.
    Type: Application
    Filed: February 7, 2007
    Publication date: May 7, 2009
    Inventors: Stephen Norman Batchelor, Jayne Michelle Bird, Carol Meacock, Dawn Rigby, Jacqueline Williams
  • Composition of Enhanced Stability and a Process for Making such a Composition
    Publication number: 20090100612
    Abstract: The invention relates to a laundry detergent shading composition that has been coated with a polymer that serves to promote the stability of the dye.
    Type: Application
    Filed: September 8, 2006
    Publication date: April 23, 2009
    Inventors: Stephen Norman Batchelor, Bastiaan Domburg, Mark Nicholas Newman, Dawn Rigby