US PATENT SUBCLASS 210 / 913
.~.~.~ Chromium

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

902  DF  MATERIALS REMOVED {7}
911  DF  .~ Cumulative poison {1}
912  DF  .~.~ Heavy metal {2}
913.~.~.~ Chromium

DEFINITION

Classification: 210/913

Chromium:

Collection of disclosures under collection 912 in which the material removed contains the element of atomic number 24.