US PATENT SUBCLASS 106 / 287.18
.~ Heavy metal compound containing

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
287.18.~ Heavy metal compound containing {1}
287.19  DF  .~.~> Group IVA or IVB (Ti, Zr, Hf, Ge, Sn, Pb)

DEFINITION

Classification: 106/287.18

Heavy metal compound containing:

(under subclass 1.05) COATING OR PLASTIC COMPOSITIONS (unnumbered subclass preceding ... ) which contain compounds of metals with a specific gravity greater than 4.

(1) Note. Heavy metal as used here includes arsenic and antimony.