US PATENT SUBCLASS 564 / 19
.~.~.~.~ Thiocarbazones or thiosemicarbazones (i.e., HCH=N-NH-C(=S)-HNH, wherein substitution may be made for hydrogen only)

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}
17  DF  .~.~ Thioureas (i.e., HNH-C(=S)-HNH, wherein substitution may be made for hydrogen only) {7}
18  DF  .~.~.~ Thiocarbazides or thiosemicarbazides (i.e. HNH-NH-C(=S)-HNH, wherein the N bonded directly to the thiourea N is an amino N and substitution may be made for hydrogen only) {1}
19.~.~.~.~ Thiocarbazones or thiosemicarbazones (i.e., HCH=N-NH-C(=S)-HNH, wherein substitution may be made for hydrogen only) {1}
20  DF  .~.~.~.~.~> Benzene ring containing {1}

DEFINITION

Classification: 564/19

(under subclass 18) Compounds which contain the thiocarbazone radical (Figure 1) or the thiosemicarbazone radical (Fig.2). [figure] [caption]FIGURE 1 [figure] [caption]FIGURE 2

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