Patents by Inventor Alfred F. Steinhauer

Alfred F. Steinhauer 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).

  • Patent number: 4071463
    Abstract: A cleaning formulation for cleaning stubborn stains comprises an aqueous solution of (a) an alkali metal alkyl sulfate wherein the alkyl is a straight chain of from about 6 to 20 carbon atoms, (b) an alkylated diphenyl oxide sulfonic acid alkali metal salt, such as sodium dodecyl diphenyl oxide disulfonate, (c) a branched chain alkyl aryl sulfonate wherein the alkyl group contains from 8 to 18 carbon atoms or (d) mixtures thereof as a detergent with less than one weight percent of sodium hypochlorite and with an amount of an alkaline builder to maintain the pH above about 11.0.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: January 31, 1978
    Assignee: The Dow Chemical Company
    Inventor: Alfred F. Steinhauer