US PATENT SUBCLASS 588 / 239
.~ Hydropyrolysis or destructive steam gasification


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



588 /   HD   HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT

238  DF  CHALCOGEN CONTAINING SUBSTANCE DESTROYED (O, S, Se, or Te) {3}
239.~ Hydropyrolysis or destructive steam gasification


DEFINITION

Classification: 588/239

Hydropyrolysis or destructive steam gasification:

(under subclass 238) Process wherein water or steam is used in a thermal process for converting waste into an environmentally safe substance.