(under subclass 46) Apparatus and methods by which some of the components of the mixture of solids to be separated are coated with some substance which enables such components to adhere to the selecting body or surface.
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9, for separations combined with a treatment precedent where by the surfaces of some components of a mixture are altered to facilitate separation.
SEE OR SEARCH CLASS
118, Coating Apparatus, appropriate subclasses, for coating apparatus in general.
427, Coating Processes, for coating processes, per se, and note especially
212+, for processes of coating particles, flakes or granules.
