US PATENT SUBCLASS 562 / 874
.~ Containing -C(=X)-NH-X-C(=X)- or -C(=X)-NH-X-S(=O)(=O)-, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens

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562 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
874.~ Containing -C(=X)-NH-X-C(=X)- or -C(=X)-NH-X-S(=O)(=O)-, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens

DEFINITION

Classification: 562/874

(under subclass 1) Compounds under Class 532 ... which contain either of the two following groups, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens (i.e., oxygen, sulfur, selenium or tellurium): [figure] [figure]

SEE OR SEARCH CLASS

588, Hazardous or Toxic Waste Destruction or Containment,

215, 222 for the destruction of organic hazardous or toxic waste containing chalcogen or nitrogen.