US PATENT SUBCLASS 588 / 209
.~.~.~ Heating or vacuum used to drive off or produce a volatile substance

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

205  DF  ORGANIC SUBSTANCE DESTROYED {8}
206  DF  .~ Halogen attached directly to carbon by nonionic bonding {3}
207  DF  .~.~ Halogen attached directly to benzene ring by nonionic bonding (e.g., PCB's) {3}
209.~.~.~ Heating or vacuum used to drive off or produce a volatile substance

DEFINITION

Classification: 588/209

Heating or vacuum used to drive off or produce a volatile substance:

(under subclass 207) Process wherein the aromatic halogenated substance is destroyed by heating or vacuum to drive off or produce a volatile environmentally safe substance from hazardous or toxic waste.