Patents by Inventor Charles Leonard Strickler

Charles Leonard Strickler 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).

  • Fabric cleaning formulations
    Patent number: 6071869
    Abstract: This invention relates to aqueous cleaning formulations useful in the cleaning of textile fabrics such as carpets and upholstery. The cleaning formulations comprise a) detergent, b) fluorochemical soil-resist agent, c) stain-resist agent, and d) a stable aqueous dispersion of inorganic particulate matter selected from the group consisting of clay, colloidal silica, colloidal alumina, titanium dioxide, and mixtures thereof. The detergent, the fluorochemical soil-resist agent, the stain-resist agent and the inorganic particulate matter each have a flash point that is at least 100.degree. C.
    Type: Grant
    Filed: February 18, 1999
    Date of Patent: June 6, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Joyce Monson Materniak, Charles Leonard Strickler