(under subclass 340) Processes wherein the article has its surface smoothed or leveled by application of a material having a dissolving or softening action on said article.
(1) Note. Polishing of materials by chemical action wherein contaminants or surface reaction products, e.g., rust, oxides, etc., are removed is not included in the scope of this subclass. See the definitions to Class 216, Etching a Substrate: Processes.
SEE OR SEARCH THIS CLASS, SUBCLASS:
39, for processes which include polishing of an apparatus surface as by mechanical action or removal of surface accretions, e.g., cleaning.
SEE OR SEARCH CLASS
216, Etching a Substrate: Processes, for removal of surface material by etching with solvent or chemical reagents to polish or form a design.
