US PATENT SUBCLASS 514 / 498
.~.~ Lead

Current as of: June, 1999
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514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

1  DF  DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29}
492  DF  .~ Heavy metal containing DOAI {11}
498.~.~ Lead

DEFINITION

Classification: 514/498

Lead:

(under subclass 492) Subject matter in which the heavy metal is lead.