US PATENT SUBCLASS 564 / 317
.~.~.~.~.~ Oxygen or sulfur is bonded directly to the carbon and is part of the chain

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}
305  DF  .~.~ Benzene ring containing {24}
315  DF  .~.~.~ Two aryl rings or ring systems bonded directly to the same carbon {7}
316  DF  .~.~.~.~ Amino nitrogen attached to the carbon by an acyclic carbon or chain {3}
317.~.~.~.~.~ Oxygen or sulfur is bonded directly to the carbon and is part of the chain {1}
318  DF  .~.~.~.~.~.~> Processes

DEFINITION

Classification: 564/317

(under subclass 316) Compounds wherein oxygen or sulfur is directly bonded to the inter aryl carbon and is part of the acyclic chain which contains the amino nitrogen.

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