US PATENT SUBCLASS 23 / 302 T
.~.~.~ Sodium compounds

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}
302 T.~.~.~ Sodium compounds

Unofficial Alpha Subclasses: R A T

DEFINITION

Classification: 23/302

(under subclass 295) Processes in which the substance being crystallized is a compound of an alkali metal or ammonium.