US PATENT SUBCLASS 423 / 167.1
.~.~ Treating asbestos

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

1  DF  TREATING MIXTURE TO OBTAIN METAL CONTAINING COMPOUND {15}
155  DF  .~ Alkaline earth metal (Mg, Ca, Sr, or Ba) {11}
167.1.~.~ Treating asbestos

DEFINITION

Classification: 423/167.1

Treating asbestos:

(under subclass 155) Processes wherein the mixture treated has asbestos, a native magnesium calcium silicate (e.g., chrysotile, crocidolite and amosite).