A novel solvent recovery step reduces equilibrium solvent losses to {HEAD ~ low levels}, preferably as low as 300 ppm wt, and more preferably below 200 ppm wt and most preferably below {TAIL ~ 50 ppm} wt 
A novel solvent recovery step reduces equilibrium solvent losses to { HEAD ~ low levels } , preferably as low as 300 ppm wt , and more preferably below 200 ppm wt and most preferably below { TAIL ~ 50 ppm } wt
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH