Patents by Inventor Robert C. McQueen

Robert C. McQueen 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: 4772414
    Abstract: Described is an aqueous bleaching composition comprising (a) hypochlorite-yielding bleaching agent, e.g., sodium hypochlorite, (b) alkaline reagent, e.g., sodium hydroxide, and (c) alkyl poly (ethyleneoxy) sulfonate corresponding to the general formula, RO(C.sub.2 H.sub.4 O).sub.n-1 CH.sub.2 CH.sub.2 SO.sub.3 M, wherein R is an alkyl group having from 6 to 30 carbon atoms, n is a number from about 3 to about 20, and M is alkali metal. Optionally, additional miscellaneous materials such as abrasives, builder compounds, etc. may be present to provide a disinfecting cleansing composition.
    Type: Grant
    Filed: July 24, 1986
    Date of Patent: September 20, 1988
    Assignee: PPG Industries, Inc.
    Inventors: Debra S. Marzec, Robert C. McQueen