(under subclass 23) Processes wherein a liquid or slurry is treated to form a substance which is insoluble therein and comes out of solution or wherein the composition of the liquid is changed so that one part of the mixture becomes insoluble therein, so the insoluble substance can be separated from the liquid and other materials which remain soluble in the liquid.
(1) Note. Crystallization of a substance is included under this definition of insolubilization.
SEE OR SEARCH CLASS
75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures,
108+, for a process of obtaining a pure elemental metal and which includes step of precipitation.
