US PATENT SUBCLASS 560 / 333
.~.~.~ Phosphorus, silicon, or phenolic hydroxy containing preservative or stabilizer

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {17}
330  DF  .~ Isocyanate esters (i.e., compounds containing the isocyanate group, -N=C=O, bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {7}
331  DF  .~.~ With preservative or stabilizer {2}
333.~.~.~ Phosphorus, silicon, or phenolic hydroxy containing preservative or stabilizer

DEFINITION

Classification: 560/333

(under subclass 331) Products wherein the preserving or stabilizing agent contains phosphorus, silicon or a phenolic hydroxy group.