Inventor
KANAZAWA TAKENOBU
JP5 patents
Patents
5 patentsUS4775721AOct 4, 1988
Process for producing polyamide block copolymer
SUMITOMO CHEMICAL CO10 citations70
US4650608AMar 17, 1987
Star block copolymer from lactam and polyol and process for the production thereof
SUMITOMO CHEMICAL CO9 citations68
US5001207AMar 19, 1991
Polyether-polyamide block copolymer and polyether prepolymer
SUMITOMO CHEMICAL CO4 citations60
US4792603ADec 20, 1988
Method of producing a polyether prepolymer
SUMITOMO CHEMICAL CO2 citations59
US4751282AJun 14, 1988
Star block polyol lactam copolymer and process for the production thereof
SUMITOMO CHEMICAL CO1 citations47