US PATENT SUBCLASS 588 / 220
.~ Heating or vacuum used to drive off or produce a volatile substance from waste containing N, P, As, Sb, or Bi

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

205  DF  ORGANIC SUBSTANCE DESTROYED {8}
220.~ Heating or vacuum used to drive off or produce a volatile substance from waste containing N, P, As, Sb, or Bi

DEFINITION

Classification: 588/220

Heating or vacuum used to drive off or produce a volatile substance from waste containing N, P, As, Sb, or Bi:

(under subclass 205) Process wherein the organic hazardous or toxic waste contains N, P, As, Sb, or Bi and is destroyed by the use of heat or vacuum to drive off or produce a volatile environmentally safe substance from the hazardous or toxic waste.