US PATENT SUBCLASS 34 / 443
.~ Gas or vapor contact with treated material

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

282  DF  PROCESS {24}
443.~ Gas or vapor contact with treated material {17}
444  DF  .~.~> Sheet, web, or strand {7}
467  DF  .~.~> Treatment of gas or vapor {6}
481  DF  .~.~> Material thickness controlled
482  DF  .~.~> Material speed or quantity controlled {2}
486  DF  .~.~> Timing of application of gas or vapor to treated material based on drying variables
487  DF  .~.~> Gas or vapor flow directing or control {3}
493  DF  .~.~> Temperature of treating gas or vapor controlled {3}
497  DF  .~.~> Temperature of treating chamber regulated
498  DF  .~.~> With treated material motion {5}
507  DF  .~.~> Treating gas or vapor drawn through material
508  DF  .~.~> Gas or vapor directed above and below treated material
509  DF  .~.~> Gas or vapor directed below treated material
510  DF  .~.~> Gas or vapor directed above treated material
511  DF  .~.~> Natural ambient air drying of material {1}
513  DF  .~.~> Heat conserving {1}
516  DF  .~.~> Special gas or vapor {1}
518  DF  .~.~> Piling or arranging material treated

DEFINITION

Classification: 34/443

Gas or vapor contact with treated material:

(under subclass 282) Process in which the material is treated with a gas or vapor that may or may not be heated.

(1) Note. Treatment by a flame or combustion product is in this subclass or the indented subclasses.

SEE OR SEARCH THIS CLASS, SUBCLASS:

402, for a process including vacuum, gas, or vapor pressure varying or control or fluid sealing.

418, for treating with a gas or vapor either heated or unheated in combination with heating of the material or in combination with any other diverse treatment or the material itself.

511+, for a process that merely supports the material in the air and lets nature take its course.