Patents by Inventor David Graham Ellis

David Graham Ellis 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).

  • Carotenoid composition and method for preparation thereof
    Patent number: 8197851
    Abstract: This invention relates to a carotenoid composition comprising the carotenoid as particles of size smaller than 100 nanometers in an oil medium, a method of preparing the composition by milling the carotenoid in an oil medium, and therapeutic compositions containing the carotenoid.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: June 12, 2012
    Inventors: Michael Ary Bos, David Graham Ellis
  • UV absorbing compositions
    Patent number: 6083490
    Abstract: A process for producing a liquid dispersion of an inorganic oxide selected from zinc oxide, titanium dioxide and iron oxide, and having a particle size in the range of 0.02 to 30 .mu.m, the process including comminuting the oxide in the presence of the liquid, the liquid being constituted by or including a component having available hydrogen and/or oxygen ions. The liquid is selected from one of an alcohol, ester, hydrogenated ester or polymer containing hydroxyl or hydrogen group(s). The stable dispersion which does not aggregate or agglomerate is suitable for use in topical preparations such as skin care or therapeutic products, cosmetics or hair care products.
    Type: Grant
    Filed: May 6, 1998
    Date of Patent: July 4, 2000
    Assignees: M&J Consultants Pty Ltd, David Graham Ellis
    Inventors: David Graham Ellis, Michael Ary Bos