US PATENT SUBCLASS 562 / 877
.~ Phosphorus bonded directly to cyano or to -N=C=X, wherein X is chalcogen

Current as of: June, 1999
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562 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
877.~ Phosphorus bonded directly to cyano or to -N=C=X, wherein X is chalcogen

DEFINITION

Classification: 562/877

(under subclass 1) Compounds under Class 532, ... in which cyano or an -N=C=X group is bonded directly to phosphorus, and X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium).

(1) Note. Examples of compounds provided for herein are: [figure] [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, nitrogen, or phosphorus.