Patents by Inventor Ralph Edward Chandler

Ralph Edward Chandler 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).

  • Patent number: 9249331
    Abstract: A colored coating composition comprising a white base paint and at least one colored pigment in a form that can be readily mixed with the white base paint, the white base paint comprising a film-forming polymer, a liquid carrier, one or more opacifying white pigments and one or more extenders, the colored coating composition having a light reflectance value Y less than 110, and greater than that defined by the equation Y=mC+K, where 25>C>1.0, C being the chroma of the colored coating composition, m and K being empirical coefficients selected according to the type and number of the type of the at least one colored pigment, and dependant on the hue angle of the coating composition.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: February 2, 2016
    Assignee: IMPERIAL CHEMICAL INDUSTRIES LIMITED
    Inventors: Celia Charlotte Taylor, Ralph Edward Chandler, Peter Mark Spiers, Gary Thomas Wren, David Elliot
  • Publication number: 20110186781
    Abstract: A coloured coating composition comprising a white base paint and at least one coloured pigment in a form that can be readily mixed with the white base paint, the white base paint comprising a film-forming polymer, a liquid carrier, one or more opacifying white pigments and one or more extenders, the coloured coating composition having a light reflectance value Y less than 110, and greater than that defined by the equation Y=mC+K, where 25>C>1.0, C being the chroma of the coloured coating composition, m and K being empirical coefficients selected according to the type and number of the type of the at least one coloured pigment, and dependant on the hue angle of the coating composition.
    Type: Application
    Filed: December 12, 2006
    Publication date: August 4, 2011
    Inventors: Celia Charlotte Taylor, Ralph Edward Chandler, Peter Mark Spiers, Gary Thomas Wren, David Elliot