(under subclass 282) Process in which there is combined with the material drying or gas or vapor contact process a process step or steps of some other kind, not provided for above.
(1) Note. The material drying or gas or vapor contact process includes the treatment of the gas or vapor used or evolved.
SEE OR SEARCH THIS CLASS, SUBCLASS:
85, through 90, for corresponding apparatus combinations.
513, for processes involving the treatment of the material with a gas or vapor and the conservation of heat during the process.
