US PATENT SUBCLASS 208 / 112
.~.~.~.~ Metal or metal oxide catalyst

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

46  DF  CHEMICAL CONVERSION OF HYDROCARBONS {11}
106  DF  .~ Cracking {5}
107  DF  .~.~ Hydrogenative {1}
108  DF  .~.~.~ Catalytic {2}
112.~.~.~.~ Metal or metal oxide catalyst

DEFINITION

Classification: 208/112

(under subclass 108) Processes wherein the catalytic material contains a free metal or a metal oxide.

(1) Note. Metal salts of an amphoteric metal, e.g., metal chromates are classified herein as a mixture of metal oxides (chromium oxide with the other metal oxide).