US PATENT SUBCLASS 204 / 904
.~.~ Metal treating agent

Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

902  DF  PRODUCTION OF DESIRED COMPOUND BY WAVE ENERGY IN PRESENCE OF A CHEMICALLY DESIGNATED NONREACTANT CHEMICAL TREATING AGENT (EXCLUDING WATER, CHLOROFORM, CARBON TETRACHLORIDE, METHYLENE CHLORIDE OR BENZENE) {8}
903  DF  .~ Inorganic chemical treating agent {1}
904.~.~ Metal treating agent {1}
905  DF  .~.~.~> Heavy metal agent

DEFINITION

Classification: 204/904

METAL TREATING AGENT:

(under subclass 903) Subject matter wherein the designated nonreactant chemical material contains a metal atom in either elemental or compound form.