(under subclass 331) Processes which include extracting a constituent of the applied coating material with a liquid or cleaning the coating.
(1) Note. Washing which is set forth as being merely to cool or heat the coating is excluded from this subclass and is provided for in subclasses 372.2+ or 374.1+, respectively.
SEE OR SEARCH THIS CLASS, SUBCLASS:
337+, for a process which includes applying a chemical agent to a coated base wherein said agent reacts with an undesired part of the coating to facilitate its removal.
355+, for processes wherein a solid treating member or material acts to remove excess coating material, but does not absorb solvent.
372.2+, for washing a coating merely to heat it. 374.1+, for washing a coating merely to cool it.
SEE OR SEARCH CLASS
118, Coating Apparatus,
109, for coating apparatus including an absorbent or porous mass or pad member acting on the coating after application.