US PATENT SUBCLASS 148 / 430
.~ Noble metal base


Current as of: June, 1999
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148 /   HD   METAL TREATMENT

400  DF  STOCK {20}
430.~ Noble metal base {1}
431  DF  .~.~> Silver base containing in situ formed oxides


DEFINITION

Classification: 148/430

Noble metal base:

(under subclass 400) Stock material which contains over 50 percent by weight of a single metal selected from ruthenium, rhodium, paladium, osmium, iridium, platinum, gold, or silver.