US PATENT SUBCLASS 564 / 256
.~.~.~.~ O-ethers (i.e., H of oxime -OH replaced by ether forming group)

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}
248  DF  .~.~ Containing nitrogen double bonded directly to carbon {8}
253  DF  .~.~.~ Oximes (HCH=N-OH, i.e., wherein substitution may be made for hydrogen only) {12}
256.~.~.~.~ O-ethers (i.e., H of oxime -OH replaced by ether forming group) {1}
257  DF  .~.~.~.~.~> Polycyclo ring system

DEFINITION

Classification: 564/256

(under subclass 253) Compounds which are O-ethers of oximes wherein X is the carbon of an ether forming group.

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