US PATENT SUBCLASS 568 / 8
.~ PHOSPHORUS CONTAINING

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
8.~ PHOSPHORUS CONTAINING {5}
9  DF  .~.~> Phosphonium derivative {2}
12  DF  .~.~> Ring phosphorus containing
13  DF  .~.~> Sulfur or oxygen containing {1}
16  DF  .~.~> Halogen containing
17  DF  .~.~> Benzene ring containing

DEFINITION

Classification: 568/8

(under subclass 1) Compounds under Class 532, ... which contain phosphorus.

SEE OR SEARCH CLASS

588, Hazardous or Toxic Waste Destruction or Containment,

206, and 213-222 for the destruction of organic hazardous or toxic waste containing halogen, sulfur, oxygen, or phosphorus.