Inventor
OSAWA MASANORI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “OSAWA MASANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI TOATSU CHEMICALS
7 patentsUS4785069ANov 15, 1988
Preparation process of heat-resistant polymers from polycarboxylic acids or anhydrides in the presence of an alkali metal fluoride and quaternary onium salt
MITSUI TOATSU CHEMICALS7 citations73
US4736008AApr 5, 1988
Preparation process of heat-resistant polymers from polycarboxcylic acids and anhydrides in the presence of an alkali metal fluoride
MITSUI TOATSU CHEMICALS14 citations73
US4395531AJul 26, 1983
Process for the preparation of polyamide compounds by the reaction of polycarboxylic acids with diisocyanates in the presence of at least one mono-alkali metal salt of dicarboxylic acid
MITSUI TOATSU CHEMICALS19 citations72
US4282114AAug 4, 1981
Catalyst for polymerizing α-olefins
MITSUI TOATSU CHEMICALS13 citations72
US4175171ANov 20, 1979
Catalyst for polymerizing α-olefins
MITSUI TOATSU CHEMICALS13 citations72
US4795795AJan 3, 1989
Catalytic preparation of polyamide or polyamide-polymide with N,N'-dimethyl alkylene urea solvent
MITSUI TOATSU CHEMICALS5 citations61
US4921933AMay 1, 1990
Aromatic polyamide molded article having storage modulus
MITSUI TOATSU CHEMICALS2 citations60