.~.~ Vacuum, vapor, or gas other than air utilized
DEFINITION
Classification: 427/398.4
Vacuum, vapor, or gas other than air utilized:
(under subclass 398.1) Processes wherein the cooling is accomplished in a vacuum or other nonatmospheric environment, or with a gas or vapor other than air.
SEE OR SEARCH THIS CLASS, SUBCLASS:
294, for processes which include treating the base with a vacuum prior to or during coating.