US PATENT SUBCLASS 34 / 478
.~.~.~ Combustion of gas or vapor

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

282  DF  PROCESS {24}
443  DF  .~ Gas or vapor contact with treated material {17}
467  DF  .~.~ Treatment of gas or vapor {6}
478.~.~.~ Combustion of gas or vapor {1}
479  DF  .~.~.~.~> Combusted gas or vapor recirculated to treating chamber

DEFINITION

Classification: 34/478

Combustion of gas or vapor:

(under subclass 467) Process wherein the treating gas or vapor is subjected to burning after contacting the treated material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

443, for the production of treating gas by combustion of a fuel gas.