US PATENT SUBCLASS 34 / 324
.~.~.~ With inert atmosphere

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}
312  DF  .~ By centrifugal force {6}
318  DF  .~.~ Rotating drum or basket {5}
324.~.~.~ With inert atmosphere

DEFINITION

Classification: 34/324

With inert atmosphere:

(under subclass 318) Process wherein a gas or vapor or mixture of gas or vapor other than air alone is supplied to the rotatable vessel and the gas or vapor or mixture is not chemically reactive with the treated material.