Patents Assigned to Labo Liquids, LLC
  • Cleaning of hydrocarbon-containing materials with critical and supercritical solents
    Patent number: 7201804
    Abstract: A method for cleaning materials containing solids and/or liquids is disclosed which involves contacting the materials with an extracting fluid including Xe, NH3, lower aromatics, nitrous oxide, water, CO, CO2, H2O, lower alcohols, lower alkanes, lower alkenes, or mixtures or combinations thereof under conditions of temperature and pressure sufficient to maintain the fluid at, near or above its critical point and to products derived therefrom.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: April 10, 2007
    Assignee: Labo Liquids, LLC
    Inventors: Ian Tunnicliffe, Ray Mt. Joy