73626212
Oct 21, 1986
Feb 2, 1988
IONIC-TYPE ION EXCHANGE MEMBRANE MADE OF GRAFTED RETICULATED POLY-ETHYLENE-BASE MATERIAL FOR A LARGE NUMBER OF INDUSTRIAL AND TECHNICAL USES SUCH AS FOR DIALYSIS, ELECTROLYSIS, ELECTRODIALYSIS BATTERY SEPARATORS, THE OBTAINING OF MATERIALS (FIXED THROUGH REACTION WITH THE ACTIVE GROUP ON THE MEMBRANE) FOR BIOTECHNOLOGICAL OR PHARMACEUTICAL USES, PERVAPORISATION, AND SEPARATION OF GASES
Rubber Goods