208 / | HD | MINERAL OILS: PROCESSES AND PRODUCTS |
46 | DF | CHEMICAL CONVERSION OF HYDROCARBONS {11} |
106 | DF | .~ Cracking {5} |
113 | DF | .~.~ Catalytic {4} |
118 | DF | .~.~.~ Silica or silicate containing catalyst {1} |
119 | .~.~.~.~ With metal or metal oxide {1} | |
120.01 | DF | .~.~.~.~.~> With group III metal, rare earth metal, or metal oxide (i.e., Sc, Y, Al, Ga, In, Tl, metal of atomic number 57-71 or oxide thereof) {7} |