US PATENT SUBCLASS 556 / 171
.~.~ 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}
170  DF  .~ ALUMINUM CONTAINING {11}
171.~.~ With preservative or stabilizer

DEFINITION

Classification: 556/171

(under subclass 170) Products wherein the aluminum containing compound is mixed with a preserving or stabilizing agent whose sole function is to prevent physical or chemical change.