Inventor
CHIBA HIROMASA
16 patents
Patents
16 patentsUS5532325AJul 2, 1996
Process for producing high stiffness polypropylene
CHISSO CORP23 citations92
US4483971ANov 20, 1984
Process for producing terpolymers of propylene, ethylene and another .alpha.
CHISSO CORP32 citations92
US4981938AJan 1, 1991
Highly crystalline polypropylene
CHISSO CORP32 citations89
US4245062AJan 13, 1981
Process for producing propylene-ethylene copolymers
CHISSO CORP29 citations86
US4304890ADec 8, 1981
Method for producing propylene copolymers using a catalyst activated prior to copolymerization
CHISSO CORP27 citations82
US4582878AApr 15, 1986
High-rigidity ethylene-propylene copolymer and process for producing same
CHISSO CORP20 citations81
US4970280ANov 13, 1990
Continuous process for producing high molten viscoelastic polypropylene or ethylene-propylene copolymer
CHISSO CORP12 citations73
US4771103ASep 13, 1988
Process for continuously producing propylene-ethylene block copolymer
CHISSO CORP19 citations73
US4760113AJul 26, 1988
Process for continuously producing a high-melt viscoelastic ethylene-propylene copolymer
CHISSO CORP18 citations73
US4500682AFeb 19, 1985
High melt-viscoelastic polypropylene for post-processed sheets and for blow molding
CHISSO CORP16 citations73
US4550144AOct 29, 1985
Propylene-ethylene copolymers for high-rigidity molded products and process for producing the same
CHISSO CORP16 citations72
US4522994AJun 11, 1985
Polypropylene resin for high-rigidity molded products
CHISSO CORP14 citations72
US4510292AApr 9, 1985
Ethylene-propylene copolymers for foaming and process for producing the same
CHISSO CORP20 citations72
US4499247AFeb 12, 1985
High-rigidity, high-melt-viscoelasticity polypropylene and process for producing the same
CHISSO CORP12 citations72
US5140062AAug 18, 1992
Continuous process for producing high molten viscoelastic polypropylene of ethylene-propylene copolymer
CHISSO CORP5 citations62
US4526931AJul 2, 1985
Whitening-resistant, highly melt-viscoelastic ethylene-propylene copolymer and process for producing the same
CHISSO CORP5 citations61