US PATENT SUBCLASS 423 / 650
.~.~ By decomposing hydrocarbon

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

644  DF  HYDROGEN OR COMPOUND THEREOF {3}
648.1  DF  .~ Elemental hydrogen {6}
650.~.~ By decomposing hydrocarbon {1}
651  DF  .~.~.~> Catalytic reaction {1}

DEFINITION

Classification: 423/650

(under subclass 648.1) Processes in which preparation of the hydrogen includes the step of decomposing a hydrocarbon (i.e., a compound consisting of only hydrogen and carbon).