US PATENT SUBCLASS 564 / 7
.~.~.~.~ Sulfur or phenol containing 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  DF  .~.~ With preservative or stabilizer {3}
5  DF  .~.~.~ Benzene ring containing compound with preservative or stabilizer {2}
7.~.~.~.~ Sulfur or phenol containing preservative or stabilizer


DEFINITION

Classification: 564/7

(under subclass 5) Products wherein the preserving or stabilizing agent contains sulfur or a phenolic group.