US PATENT SUBCLASS 23 / 303
.~.~.~ Common salt

Current as of: June, 1999
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23 /   HD   CHEMISTRY: PHYSICAL PROCESSES

293 R  DF  PHYSICAL PROCESSES {7}
295 R  DF  .~ Crystallization {8}
302 R  DF  .~.~ Alkali metal and ammonium compounds {3}
303.~.~.~ Common salt

DEFINITION

Classification: 23/303

(under subclass 302) Processes in which the substance being crystallized is sodium chloride.

SEE OR SEARCH CLASS

423, Chemistry of Inorganic Compounds,

179, and 499.1 for processes of producing sodium chloride involving a chemical reaction.