Patents by Inventor Sylvia Trimble

Sylvia Trimble 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).

  • Tooth-bleaching preparations
    Patent number: 9119795
    Abstract: The present invention relates to a tooth bleaching preparation comprising an adduct formulated from starting materials comprising peroxide, urea and an alkali metal polyphosphate, the adduct being provided in the preparation in aqueous conditions and the preparation having a pH in aqueous solution which rises on dilution of the solution.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: September 1, 2015
    Assignee: SMT Research Limited
    Inventors: Christopher Todd, Sylvia Trimble
  • Tooth-bleaching preparations
    Patent number: 8815217
    Abstract: The present invention relates to a tooth bleaching preparation comprising an adduct formulated from starting materials comprising peroxide, urea and an alkali metal polyphosphate, the adduct being provided in the preparation in aqueous conditions and the preparation having a pH in aqueous solution which rises on dilution of the solution.
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: August 26, 2014
    Assignee: SMT Research Limited
    Inventors: Christopher Todd, Sylvia Trimble
  • TOOTH-BLEACHING PREPARATIONS
    Publication number: 20110002860
    Abstract: The present invention relates to a tooth bleaching preparation comprising an adduct formulated from starting materials comprising peroxide, urea and an alkali metal polyphosphate, the adduct being provided in the preparation in aqueous conditions and the preparation having a pH in aqueous solution which rises on dilution of the solution.
    Type: Application
    Filed: September 18, 2008
    Publication date: January 6, 2011
    Inventors: Christopher Todd, Sylvia Trimble