US PATENT SUBCLASS 564 / 300
.~.~ Nitroxides, oxyamines or hydroxylamines (i.e., HNH-O or HNH-OH, wherein substitution may be made for hydrogen only, including O-ether and O-ester derivatives)

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}
300.~.~ Nitroxides, oxyamines or hydroxylamines (i.e., HNH-O or HNH-OH, wherein substitution may be made for hydrogen only, including O-ether and O-ester derivatives) {1}
301  DF  .~.~.~> Acyclic

DEFINITION

Classification: 564/300

(under subclass 1) Compounds which are nitroxides, free radicals, containing the structure in Fig. 1, or hydroxyl amines or their O-ethers or O- esters containing the structure in Fig. 2 wherein X is H, C, or the residue of an esterifying acid group. [figure] [caption]FIGURE 1 [figure] [caption]FIGURE 2

(1) Note. This subclass also contains compounds which are O-ethers wherein the amino nitrogen is unsubstituted.

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