72051460
May 12, 1958
Jan 5, 1960
Active Trademark
PORTABLE ELECTRIC MEMBRANE WATER DEMINERALIZERS WHEREIN A DIRECT ELECTRIC CURRENT IS PASSED THROUGH A MULTIPLE CHAMBER ELECTRODIALYSIS CELL, SAID CHAMBERS BEING DEFINED ALTERNATELY BY ANION AND CATION SELECTIVE MEMBRANES CAUSING DEMINERALIZATION OF THE AQUEOUS LIQUID FLOWING IN ALTERNATE CHAMBERS AND SALT CONCENTRATION IN THE AQUEOUS LIQUID FLOWING THROUGH THE OTHER ALTERNATE CHAMBERS
Housewares and Glass