US PATENT SUBCLASS 423 / 653
.~.~.~.~.~ Catalyst substance contains nickel

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  DF  .~.~ By decomposing hydrocarbon {1}
651  DF  .~.~.~ Catalytic reaction {1}
652  DF  .~.~.~.~ Including decomposing water {1}
653.~.~.~.~.~ Catalyst substance contains nickel {1}
654  DF  .~.~.~.~.~.~> And another metal

DEFINITION

Classification: 423/653

(under subclass 652) Processes wherein any material which is part of the catalyst (e.g, catalyst, promoter, support, etc.), contains nickel in metallic or compound form.