US PATENT SUBCLASS 564 / 18
.~.~.~ 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)

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.~.~.~ 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  DF  .~.~.~.~> Thiocarbazones or thiosemicarbazones (i.e., HCH=N-NH-C(=S)-HNH, wherein substitution may be made for hydrogen only) {1}

DEFINITION

Classification: 564/18

(under subclass 17) Compounds which contain the thiocarbazide radical wherein an amino nitrogen is bonded directly to each of the thiorea nitrogens, or the thiosemicarbazide radical wherein an amino nitrogen is bonded to one thiourea nitrogen -N-.

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