Patents by Inventor Finlay MacCorquodale

Finlay MacCorquodale 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).

  • Detergent compositions inhibiting dye transfer
    Patent number: 5633225
    Abstract: The present invention relates to a dye transfer inhibiting detergent composition comprisinga) 0.0001% to 10% by weight of a dye transfer inhibitor having a ratio of amine to amine N-oxide of from about 2:3 to about 1:1,000,000 selected from the group consisting of poly(2-vinylpyridine-N-oxide), poly-2-(dimethylamino)-ethylmethacrylate-N-oxide and poly-1-vinylimidazole-N-oxide; andb) a detersive effective amount of a surfactant; andc) a detersive effective amount of a builder.
    Type: Grant
    Filed: January 25, 1996
    Date of Patent: May 27, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Abdennaceur Fredj, James P. Johnston, Christiaan A. J. Thoen, Finlay MacCorquodale, Alfred Busch, Frederick E. Hardy, Alan D. Willey