(under subclass 500) Compositions including a component having the property of removing at least one constituent from a liquid mixture by surface attraction or allowing said constituent to penetrate within the component.
SEE OR SEARCH THIS CLASS, SUBCLASS:
660+, especially 679, for processes which use such compositions.
SEE OR SEARCH CLASS
502, Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making, for a composition comprising a catalyst or sorbent, per se, and see especially