US PATENT SUBCLASS 562 / 876
.~ Phosphorus bonded directly to the single bonded X of a -C(=X)-X-group, wherein 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}
876.~ Phosphorus bonded directly to the single bonded X of a -C(=X)-X-group, wherein the X's may be the same or diverse chalcogens

DEFINITION

Classification: 562/876

(under subclass 1) Compounds under Class 532, ... in which the single bonded X of a -C(=X)X- group is bonded directly to phosphorus and the X's may be the same or diverse

chalcogens (i.e., oxygen, sulfur, selenium or tellurium).

(1) Note. Examples of compounds provided for herein are: [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 phosphorus.