US PATENT SUBCLASS 556 / 2
.~.~ With preservative or stabilizer

Current as of: June, 1999
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556 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {3}
1  DF  .~ HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.) {19}
2.~.~ With preservative or stabilizer {2}
3  DF  .~.~.~> Compound preserved or stabilized contains lead bonded directly to carbon {2}
6  DF  .~.~.~> Nitrogen containing preservative or stabilizer

DEFINITION

Classification: 556/2

(under subclass 1) Products wherein the heavy metal containing compound is mixed with a preserving or stabilizing agent whose sole function is to prevent physical or chemical change.