US PATENT SUBCLASS 588 / 233
.~ Hydropyrolysis or destructive steam gasification

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

231  DF  HEAVY METAL CONTAINING SUBSTANCE DESTROYED {4}
233.~ Hydropyrolysis or destructive steam gasification

DEFINITION

Classification: 588/233

Hydropyrolysis or destructive steam gasification:

(under subclass 231) Process wherein water or steam is used in a thermal process for destroying hazardous or toxic waste or converting hazardous or toxic waste into an environmentally safe substance.