US PATENT SUBCLASS 588 / 221
.~ Reacting waste containing N, P, As, Sb, or Bi with chemical agents

Current as of: June, 1999
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588 /   HD   HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT

205  DF  ORGANIC SUBSTANCE DESTROYED {8}
221.~ Reacting waste containing N, P, As, Sb, or Bi with chemical agents {1}
222  DF  .~.~> Using ionizing radiation, electrical energy, magnetic force, radiation, or sonic energy (e.g., laser, plasma, microwave, or ultrasonic)

DEFINITION

Classification: 588/221

Reacting waste containing N, P, As, Sb, or Bi with chemical agents:

(under subclass 205) Process wherein the organic hazardous or toxic waste contains N, P, As, Sb, or Bi and is destroyed by the addition of a chemical material to react with the hazardous or toxic waste.

SEE OR SEARCH CLASS

210, Liquid Purification or Separation, appropriate subclasses for separation of liquids from any contaminant;

749, for the use of chemical treatment; and subclasses 911+, an art collection, for the removal of cumulative poison from a liquid.

423, Chemistry of Inorganic Compounds,

87+, for the production of Sb, Bi, or As or compounds thereof; subclasses 299+ for the production of phosphorus and its compounds; and subclasses 351+ for the production of nitrogen and its compounds.