US PATENT SUBCLASS 423 / 629
.~.~.~.~ Hydroxide

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

579  DF  OXYGEN OR COMPOUND THEREOF {4}
592  DF  .~ Metal containing {12}
624  DF  .~.~ Group IIIA metal or beryllium (Al, Ga, In, Tl, or Be) {1}
625  DF  .~.~.~ Aluminum {6}
629.~.~.~.~ Hydroxide

DEFINITION

Classification: 423/629

Products or processes under 625 wherein the compound is aluminum hydroxide, (A1 (OH)3).

SEE OR SEARCH THIS CLASS, SUBCLASS:

127, for processes of treating mixtures to obtain aluminum hydroxide or hydrate of aluminum, including the steps of (1) forming an insoluble substance in a liquid and, (2) chemically forming an hydroxide or a hydrate.