242852 ⎘
Synthetic resins or natural rubbers -- part of the class 520 series Polysulfone
Polysulfone polymers and membranes for reverse osmosis, nanofiltration and ultrafiltration
#2Polymer electrolyte composition
#3Polysulfone, electrolyte membrane using the same, and fuel cell using the electrolyte membrane
#4Block copolymers and use thereof
#5Block copolymers and use thereof
#6Process of preparation of block copolymers and the block copolymers prepared therefrom
#7Polyelectrolyte compositions