Patents by Inventor Fiona Susan (Mac Beath) Williams

Fiona Susan (Mac Beath) Williams 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).

  • Bleaching composition
    Patent number: 6159922
    Abstract: Bleach compositions comprising a percarbonate bleach and an amino tricarboxylic acid exhibit a reduced tendency to deposit calcium carbonate insolubles on substrates being bleached. Laundry compositions comprising percarbonate bleach and methyl glycine diacetic acid are provided.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: December 12, 2000
    Assignee: The Procter & Gamble Company
    Inventor: Fiona Susan (Mac Beath) Williams