US PATENT SUBCLASS 208 / 135
.~.~.~ With Group III metal or metal oxide containing catalyst

Current as of: June, 1999
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208 /   HD   MINERAL OILS: PROCESSES AND PRODUCTS

46  DF  CHEMICAL CONVERSION OF HYDROCARBONS {11}
133  DF  .~ Reforming (includes dehydrogenation, isomerization, cyclization, aromatization, alkylation, dealkylation reactions) {1}
134  DF  .~.~ Catalytic {2}
135.~.~.~ With Group III metal or metal oxide containing catalyst {2}
136  DF  .~.~.~.~> With Group VI metal or metal oxide
137  DF  .~.~.~.~> With Group VIII metal or metal oxide {1}

DEFINITION

Classification: 208/135

(under subclass 134) Processes wherein the catalytic material contains a Group III metal or metal oxide.

(1) Note. Metal salts of Group III amphoteric metal (metal aluminates) are classified in this or indented subclass as

mixtures of metal oxides.