Patents by Inventor Tracy A. Ryan

Tracy A. Ryan 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).

  • Carpet cleaner containing fluorinated surfactant and styrene maleic anhydride polymer
    Patent number: 5439610
    Abstract: An aqueous cleaning composition for carpets, rugs, and textiles has been discovered with the composition comprising sodium lauryl sulfate, an ethylene glycol monohexyl ether, a fluorosurfactant, a carboxylated polymer salt, and a tetrasodium ethlyenediamine tetraacetate. The composition is effective in removing a variety of stains from carpeting and is particularly effective against oily stains without imparting undesirable properties on the cleaned surface.
    Type: Grant
    Filed: September 16, 1994
    Date of Patent: August 8, 1995
    Assignee: Reckitt & Colman Inc.
    Inventors: Tracy A. Ryan, Catherine A. Piterski