US PATENT SUBCLASS 423 / 330.1
.~.~.~.~.~ Gelling or precipitation

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

324  DF  SILICON OR COMPOUND THEREOF {4}
325  DF  .~ Oxygen containing {2}
326  DF  .~.~ Metal containing (i.e., silicate) {3}
327.1  DF  .~.~.~ Aluminum containing {2}
328.1  DF  .~.~.~.~ Aluminosilicate {3}
330.1.~.~.~.~.~ Gelling or precipitation

DEFINITION

Classification: 423/330.1

Gelling or precipitation:

(under subclass 328.1) Processes which include either forming a gel or causing a substance to come out of solution.