Patents by Inventor Mark Beeston

Mark Beeston 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).

  • Sprayable abrasive cleaning compositions
    Patent number: 6378786
    Abstract: A spraying device comprising a reservoir and a nozzle linked by a path is used to apply an aqueous cleaning composition to a surface. The interim dimension of the path is located immediately upstream of the nozzle. The composition comprises abrasive particles, wherein substantially none of the particles has a maximum dimension which is more than half of the minimum dimension of the path and none of said particles have a dimension greater than said minimum dimension.
    Type: Grant
    Filed: August 3, 1999
    Date of Patent: April 30, 2002
    Assignee: Reckitt Benckiser (UK) Limited
    Inventors: Mark Beeston, Mark Laing
  • Silver polish formulation containing thiourea
    Patent number: 5958854
    Abstract: A chemical cleaning composition for silver- or copper-containing surfaces consists of a water-soluble solid or powder comprising thiourea or a derivative thereof, and is formulated in unit application form, e.g. in tablet or sachet form. A preferred composition comprises up to 60% thiourea or a derivative thereof; up to 4% surfactant; not more than 40% acidifier; less than 20% disintegrant; up to 10% binder; 0-1% lubricant; and up to 40% diluent.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: September 28, 1999
    Assignee: Reckitt & Colman Products Limited
    Inventors: Mark Laing, Mark Beeston