US PATENT SUBCLASS 435 / 163
.~.~.~.~.~ Produced as by-product, or from waste, or from cellulosic material substrate

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.~.~.~.~.~ Produced as by-product, or from waste, or from cellulosic material substrate {2}
164  DF  .~.~.~.~.~.~> Substrate contains sulphite waste liquor or citrus waste
165  DF  .~.~.~.~.~.~> Substrate contains cellulosic material

DEFINITION

Classification: 435/163

Produced as by-product or from waste or from cellulosic material substrate:

(under subclass 161) Processes wherein ethanol produced as a by-product in a process for the production of another chemical species or is prepared by the biochemical conversion of materials containing cellulose or unrefined waste materials of another process.