Patents by Inventor John Aldred Nimmo

John Aldred Nimmo 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).

  • Pigments for filtering the solar spectrum
    Patent number: 10689529
    Abstract: The present technology relates to a transparent coating system or film which comprises a transparent, polymeric material, one or more pearlescent pigments, and one or more transparent dyes, organic pigments, organic pigment derivatives or inorganic pigments. The coating may be used to give well-defined transmission and reflection spectra in the visible region while having a high degree of reflection in the NIR region.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: June 23, 2020
    Assignee: SUN CHEMICAL CORPORATION
    Inventors: Jonathan Daniel Doll, Paul Andrew Merchak, John Aldred Nimmo, Aaron M. Hollman
  • PIGMENTS FOR FILTERING THE SOLAR SPECTRUM
    Publication number: 20170029635
    Abstract: The present technology relates to a transparent coating system or film which comprises a transparent, polymeric material, one or more pearlescent pigments, and one or more transparent dyes, organic pigments, organic pigment derivatives or inorganic pigments. The coating may be used to give well-defined transmission and reflection spectra in the visible region while having a high degree of reflection in the NIR region.
    Type: Application
    Filed: April 9, 2015
    Publication date: February 2, 2017
    Inventors: Jonathan Daniel Doll, Paul Andrew Merchak, John Aldred Nimmo, Aaron M. Hollman
  • Resinated pigment compositions
    Patent number: 5660623
    Abstract: The present invention provides a method of reducing the tendency of a resinated pigment product to self-heat which comprises treating an aqueous slurry of the pigment with a compound of a multivalent metal or metalloid under conditions such as will precipitate an insoluble compound of the metal or metalloid on the pigment, and then isolating the treated pigment.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: August 26, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Ian Alexander Macpherson, John Aldred Nimmo, Brian Tuck