US PATENT SUBCLASS 423 / 447.6
.~.~.~ Including reaction with gaseous oxygen

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}
447.6.~.~.~ Including reaction with gaseous oxygen

DEFINITION

Classification: 423/447.6

(under subclass 447.1) Processes including a step of reaction with gaseous oxygen.

(1) Note. Heating in air is considered to be reaction with

gaseous oxygen only when it is positively disclosed that such a reaction takes place.