Patents by Inventor Leonard James James HUMPHREYS

Leonard James James HUMPHREYS 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).

  • Publication number: 20170226695
    Abstract: This disclosure pertains to the use of black liquors from kraft pulp mills as a source of catalysts for the thermochemical conversion of organic matter feedstocks to bio oils.
    Type: Application
    Filed: October 14, 2015
    Publication date: August 10, 2017
    Inventors: William Neil ROWLANDS, Leonard James James HUMPHREYS, Robert William Clayton THEW, James Allan SPANKIE, Victor Charles ULOTH, Paul Andrew WATSON, Martin William PUDLAS