One use of {HEAD ~ the asymmetric membranes} of {TAIL ~ this invention} as semipermeable membranes is a reverse osmosis procedure for liquids as illustrated in FIG 2 
of
One use of { HEAD ~ the asymmetric membranes } of { TAIL ~ this invention } as semipermeable membranes is a reverse osmosis procedure for liquids as illustrated in FIG 2
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH