US PATENT SUBCLASS 435 / 164
.~.~.~.~.~.~ Substrate contains sulphite waste liquor or citrus waste

Current as of: June, 1999
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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

41  DF  MICRO-ORGANISM, TISSUE CELL CULTURE OR ENZYME USING PROCESS TO SYNTHESIZE A DESIRED CHEMICAL COMPOUND OR COMPOSITION {26}
132  DF  .~ Preparing oxygen-containing organic compound {6}
155  DF  .~.~ Containing hydroxy group {2}
157  DF  .~.~.~ Acyclic {3}
161  DF  .~.~.~.~ Ethanol {2}
163  DF  .~.~.~.~.~ Produced as by-product, or from waste, or from cellulosic material substrate {2}
164.~.~.~.~.~.~ Substrate contains sulphite waste liquor or citrus waste

DEFINITION

Classification: 435/164

Substrate contains sulphite waste liquor or citrus waste:

(under subclass 163) Processes wherein ethanol is prepared by the biochemical conversion of waste sulfite liquor or citrus waste.

(1) Note. Waste sulfite liquor is the residual material obtained after the sulfurous acid treatment of paper pulp.