US PATENT SUBCLASS 564 / 23
.~.~.~ Carbonyl, sulfur, or cyano attached directly to thiourea nitrogen by nonionic bonding

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}
23.~.~.~ Carbonyl, sulfur, or cyano attached directly to thiourea nitrogen by nonionic bonding

DEFINITION

Classification: 564/23

(under subclass 17) Compounds wherein a thiourea nitrogen has carbonyl, sulfur, or cyano group directly attached by nonionic bonding.

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