Patents by Inventor Heath Elizabeth Williams

Heath Elizabeth Williams 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).

  • PARTICULATE DRY TINTER
    Publication number: 20100300327
    Abstract: A particulate dry tinter for use in tinting a coating composition including at least two coloured pigments, in which the particulate tinter has a colour hue predictive of the colour hue of the tinted coating composition and the coating when applied (FIG. 1).
    Type: Application
    Filed: July 26, 2006
    Publication date: December 2, 2010
    Applicant: IMPERIAL CHEMICAL INDUSTRIES PLC
    Inventors: Paul John Christopher Sasada, Heath Elizabeth Williams, Hugues Straub