US PATENT SUBCLASS 34 / 408
.~.~.~ With heating


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

282  DF  PROCESS {24}
406  DF  .~ Gas or vapor pressure is subatmospheric {3}
407  DF  .~.~ With condensation of vapor {1}
408.~.~.~ With heating


DEFINITION

Classification: 34/408

With heating:

(under subclass 407) Process wherein the temperature of the treated material or the treating vapor increases.