Patents by Inventor Leslie Dorsett

Leslie Dorsett 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).

  • Non-slip formulations
    Patent number: 5885339
    Abstract: The present invention relates to formulations and methods for preventing surfaces of natural or mineral materials or cementitious products from becoming slippery, especially when wet. The formulations comprise a non-fluorine-containing acid; a fluorine-containing compound, hydrogen sulfate or acetic acid; and a surfactant. Also disclosed are novel cleaning agents.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: March 23, 1999
    Assignee: Y-Slip Ltd.
    Inventor: Leslie Dorsett
  • Non-slip formulations
    Patent number: 5698021
    Abstract: The present invention relates to formulations and methods for preventing surfaces of natural or mineral materials or cementitious products from becoming slippery, especially when wet. The formulations comprise a non-fluorine-containing acid; a fluorine-containing compound, hydrogen sulfate or acetic acid; and a surfactant.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: December 16, 1997
    Assignee: Y-Slip Ltd.
    Inventor: Leslie Dorsett