US PATENT SUBCLASS 502 / 516
.~ Metal contaminant removal

Current as of: June, 1999
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502 /   HD   CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

515  DF  SPECIFIC CONTAMINANT REMOVAL {3}
516.~ Metal contaminant removal

DEFINITION

Classification: 502/516

Metal contaminant removal:

(under subclass 515) Collection of art in which the poison or contaminant comprises an element (or compound thereof) which exhibits a positive ionic property is set out in the Glossary as a metal.