US PATENT SUBCLASS 564 / 280
.~.~ Phenol or thiophenol addition salts

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}
280.~.~ Phenol or thiophenol addition salts

DEFINITION

Classification: 564/280

(under subclass 1) Compounds which are formed by addition of a phenol or thiophenol to an amino nitrogen containing compound, as for example: RNH2. HOC6H5.