Inventor
FUKUI YOSHIHARU
JP26 patents
Patents
26 patentsUS4603174AJul 29, 1986
Stretched polypropylene film
SUMITOMO CHEMICAL CO37 citations92
US5100930AMar 31, 1992
Food container
SUMITOMO CHEMICAL CO29 citations91
US3960765AJun 1, 1976
Catalyst for polymerization of olefins and process for preparing the same
SUMITOMO CHEMICAL CO26 citations81
US4748207AMay 31, 1988
Polypropylene sheet
SUMITOMO CHEMICAL CO10 citations74
US4963605AOct 16, 1990
Stabilized polyolefin composition
SUMITOMO CHEMICAL CO7 citations73
US4839408AJun 13, 1989
Stabilized polyolefin composition
SUMITOMO CHEMICAL CO8 citations73
US4485035ANov 27, 1984
Process for producing highly stereoregular α-olefin polymers
SUMITOMO CHEMICAL CO9 citations73
US4279776AJul 21, 1981
Catalyst system
SUMITOMO CHEMICAL CO14 citations73
US4235984ANov 25, 1980
Process for producing highly stereoregular α-olefin polymers
SUMITOMO CHEMICAL CO13 citations73
US4165298AAug 21, 1979
Catalysts for the polymerization of olefins
SUMITOMO CHEMICAL CO12 citations73
US5109056AApr 28, 1992
Polypropylene molded article
SUMITOMO CHEMICAL CO10 citations72
US4985480AJan 15, 1991
Inorganic filler containing polyolefin composition
SUMITOMO CHEMICAL CO12 citations72
US4433110AFeb 21, 1984
Process for producing propylene block copolymers
SUMITOMO CHEMICAL CO12 citations71
US4364851ADec 21, 1982
Process for producing olefin polymers
SUMITOMO CHEMICAL CO12 citations71
US4123387AOct 31, 1978
Catalysts for polymerization of olefins
SUMITOMO CHEMICAL CO16 citations71
US4855327AAug 8, 1989
Process for producing pre-expanded particles of polyolefin resins
SUMITOMO CHEMICAL CO4 citations63
US4584239AApr 22, 1986
Stretched multilayer polypropylene film
SUMITOMO CHEMICAL CO2 citations63
US4259461AMar 31, 1981
Process for producing propylene-ethylene block copolymers
SUMITOMO CHEMICAL CO3 citations63
US5026889AJun 25, 1991
Catalyst system for olefin polymerization and method for production of olefin polymers by using the same
SUMITOMO CHEMICAL CO3 citations62
US4304892ADec 8, 1981
Olefin polymerization catalyst
SUMITOMO CHEMICAL CO2 citations62
US4246135AJan 20, 1981
Olefin polymerization catalyst
SUMITOMO CHEMICAL CO4 citations62
US4183824AJan 15, 1980
Catalysts for the polymerization of olefins
SUMITOMO CHEMICAL CO4 citations62
US5086099AFeb 4, 1992
Inorganic filler containing polyolefin composition
SUMITOMO CHEMICAL CO2 citations61
US5086100AFeb 4, 1992
Inorganic filler containing polyolefin composition
SUMITOMO CHEMICAL CO3 citations61
US4243786AJan 6, 1981
Catalysts for the polymerization of olefins
SUMITOMO CHEMICAL CO1 citations51
US4217432AAug 12, 1980
Process for the polymerization of olefins
SUMITOMO CHEMICAL CO1 citations50