US PATENT SUBCLASS 564 / 47
.~.~.~ Benzene ring containing

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}
32  DF  .~.~ Ureas (i.e., HNH-CO-HNH, wherein substitution may be made for hydrogen only) {9}
47.~.~.~ Benzene ring containing {2}
48  DF  .~.~.~.~> Benzene ring bonded directly to urea nitrogen (i.e., anilides) {5}
56  DF  .~.~.~.~> Aralkyl bonded directly to urea nitrogen

DEFINITION

Classification: 564/47

(under subclass 32) Compounds which contain a benzene ring (i.e., aromatic).

(1) Note. This subclass contains, for example: [figure] [figure]