CPC Main Group C10L 1/00 Liquid carbonaceous fuels 6 direct subcodes Child Classifications Navigate with arrow keys, Enter to open C10L 1/003 C10L 1/006 C10L 1/02 essentially based on components consisting of carbon, hydrogen, and oxygen only C10L 1/04 essentially based on blends of hydrocarbons C10L 1/10 containing additives C10L 1/32 consisting of coal-oil suspensions or aqueous emulsions