US PATENT SUBCLASS 159 / 47.3
.~ Involving waste liquid

Current as of: June, 1999
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159 /   HD   CONCENTRATING EVAPORATORS

47.1  DF  PROCESSES {4}
47.3.~ Involving waste liquid

DEFINITION

Classification: 159/47.3

Involving waste liquid:

(under subclass 47.1) Processes wherein a liquid by product is concentrated.