US PATENT SUBCLASS 208 / 129
.~.~.~.~ Combustion gases

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}
125  DF  .~.~ With nonreactive material {2}
128  DF  .~.~.~ Vapors {2}
129.~.~.~.~ Combustion gases

DEFINITION

Classification: 208/129

(under subclass 128) Processes wherein the cracking takes place in the presence of added gaseous products of combustion of a gaseous, liquid or solid fuel.