US PATENT SUBCLASS 204 / 172
.~.~.~.~ Cracking hydrocarbon oils


Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

*  DD  PROCESSES AND PRODUCTS {7}
164  DF  .~ Electrostatic field or electrical discharge {6}
165  DF  .~.~ Organic {3}
168  DF  .~.~.~ Hydrocarbons {3}
172.~.~.~.~ Cracking hydrocarbon oils


DEFINITION

Classification: 204/172

(under subclass 168) Processes directed to the cracking of hydrocarbon oils.

(1) Note. See this class, subclasses 170 and 171 for cracking processes resulting in the production of gaseous hydrocarbons.