US PATENT SUBCLASS 210 / 321.87
.~ Cylindrical membrane

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


210 /   HD   LIQUID PURIFICATION OR SEPARATION

321.6  DF  CASING DIVIDED BY MEMBRANE INTO SECTIONS HAVING INLET(S) AND/OR OUTLET(S) {15}
321.87.~ Cylindrical membrane {1}
321.88  DF  .~.~> Plural cylindrical membranes all connected for parallel flow {1}

DEFINITION

Classification: 210/321.87

Cylindrical membrane:

(under subclass 321.6) Apparatus wherein said semipermeable membrane comprises at least on hollow, generally cylindrical tube.