US PATENT SUBCLASS 204 / 158.21
.~.~.~ Organic material purified

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

*  DD  PROCESSES AND PRODUCTS {7}
157.15  DF  .~ Processes of treating materials by wave energy {6}
158.2  DF  .~.~ Processes of purifying materials {1}
158.21.~.~.~ Organic material purified

DEFINITION

Classification: 204/158.21

Organic material purified:

(under subclass 158.2) Subject matter wherein the desired material is an organic compound.

(1) Note. See subclass 157.6 for a definition of the term "organic compound".

SEE OR SEARCH CLASS

260, Chemistry of Carbon Compounds, 518, Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof, 530 - 570, Organic Compounds -- Part of the Class 532 - 570 Series, and 585, Chemistry of Hydrocarbon Compounds, for processes of purifying an organic compound by chemical reaction induced by other than wave energy.