US PATENT SUBCLASS 423 / 447.3
.~.~.~ From gaseous reactants

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

414  DF  CARBON OR COMPOUND THEREOF {3}
445 R  DF  .~ Elemental carbon {7}
447.1  DF  .~.~ Fiber, fabric, or textile {7}
447.3.~.~.~ From gaseous reactants

DEFINITION

Classification: 423/447.3

(under subclass 447.1) Processes wherein all the carbon forming reactant(s) are in the gaseous phase.