US PATENT SUBCLASS 564 / 2
.~.~ With preservative or stabilizer

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) {37}
2.~.~ With preservative or stabilizer {3}
3  DF  .~.~.~> Ureas or thioureas with preservative or stabilizer
4  DF  .~.~.~> Carboxamides with preservative or stabilizer
5  DF  .~.~.~> Benzene ring containing compound with preservative or stabilizer {2}

DEFINITION

Classification: 564/2

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