US PATENT SUBCLASS 210 / 321.67
.~ Membrane movement during purification

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

321.6  DF  CASING DIVIDED BY MEMBRANE INTO SECTIONS HAVING INLET(S) AND/OR OUTLET(S) {15}
321.67.~ Membrane movement during purification {1}
321.68  DF  .~.~> Nontranslatory rotary

DEFINITION

Classification: 210/321.67

Membrane movement during purification:

(under subclass 321.6) Apparatus including means causing membrane movement during liquid purification.