Inventor
SHIMOMURA TAKATOSHI
13 patents
Patents
13 patentsUS4046843ASep 6, 1977
Process for preparing membranes for separation of substances
SUMITOMO CHEMICAL CO78 citations96
US3992495ANov 16, 1976
Method of manufacturing a semipermeable membrane from a water-soluble polymeric resin
SUMITOMO CHEMICAL CO48 citations96
US4265959AMay 5, 1981
Process for producing semipermeable membranes
SUMITOMO CHEMICAL CO37 citations92
US4147745AApr 3, 1979
Process for producing semipermeable membranes
SUMITOMO CHEMICAL CO33 citations92
US4163725AAug 7, 1979
Process for preparing of semipermeable membranes
SUMITOMO CHEMICAL CO25 citations82
US4107049AAug 15, 1978
Process for producing semipermeable membranes
SUMITOMO CHEMICAL CO25 citations82
US4083904AApr 11, 1978
Method for manufacturing phosphorylated cellulose ester membranes for use in the separation or concentration of substances
SUMITOMO CHEMICAL CO22 citations82
US4330406AMay 18, 1982
Semipermeable membrane and process of making same
SUMITOMO CHEMICAL CO9 citations74
US4272378AJun 9, 1981
Semipermeable membrane
SUMITOMO CHEMICAL CO9 citations74
US4548769AOct 22, 1985
Process for producing semipermeable membrane
SUMITOMO CHEMICAL CO11 citations73
US4268662AMay 19, 1981
Process for improving semipermeable membranes by treating with protic acids or inorganic salts
SUMITOMO CHEMICAL CO18 citations73
US4511711AApr 16, 1985
Process for producing semipermeable membrane
SUMITOMO CHEMICAL CO4 citations62
US3962212AJun 8, 1976
Phosphorylated cellulose ester membrane for use in separation or concentration of substances
SUMITOMO CHEMICAL CO5 citations62