US PATENT SUBCLASS 106 / 492
.~.~.~.~.~ Treatment of alkali silicate with mineral acid or product


Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  MATERIALS OR INGREDIENTS {7}
400  DF  .~ Pigment, filler, or aggregate compositions, e.g., stone, shale, pebbles, rock, etc. {1}
401  DF  .~.~ Composition contains identified material other than water {25}
481  DF  .~.~.~ Silicon containing {1}
482  DF  .~.~.~.~ Inorganic silicon compound, e.g., diatomaceous earth, soil, glass, sand, etc., or material derived therefrom {5}
492.~.~.~.~.~ Treatment of alkali silicate with mineral acid or product


DEFINITION

Classification: 106/492

Treatment of alkali silicate with mineral acid or product:

(under subclass 482) Subject matter including treatment of alkali metal silicate with mineral acid or product thereof.