Patents by Inventor Neil P. Randle

Neil P. Randle 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).

  • Polymer-thickened liquid abrasive cleaning compositions
    Patent number: 5286405
    Abstract: A liquid composition includes an aqueous medium containing surfactant and a thickening mixture with particulate abrasive dispersed in the thickened mixture The thickening mixture comprises a synergistic mixture of a linear polymer and a branded starch polymer. The composition may be a household cleaner or a toothpaste.
    Type: Grant
    Filed: July 28, 1992
    Date of Patent: February 15, 1994
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: George K. Rennie, Neil P. Randle