105684 ⎘
Recovery or refining of mineral waxes, e.g. montan wax Chemical modification of petroleum
Method and apparatus for purifying a mixture comprising oil and wax
#2CATALYTIC OXIDATION OF HYDROCARBONS
#3Process for in situ upgrading of a heavy hydrocarbon using asphaltene precipitant additives
#4UZM-43 an EUO-NES-NON zeolite