Inventor

MASUKO SEIICHI

JP9 patents

⚠️ This page may combine multiple inventors who share the name “MASUKO SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI TOATSU CHEMICALS

7 patents

US4355141AOct 19, 1982

Polymerizing vinyl chloride in reactor treated with condensates

MITSUI TOATSU CHEMICALS19 citations75

US5166271ANov 24, 1992

Heat resistant polyvinyl chloride copolymer and preparation process of the copolymer

MITSUI TOATSU CHEMICALS16 citations73

US5674953AOct 7, 1997

Method of preventing scale adhesion to surfaces of polymerization tank with phenol-aldehyde coating

MITSUI TOATSU CHEMICALS5 citations72

US5728780AMar 17, 1998

Method of preventing scale adhesion to the surfaces of a polymerization tank and the like

MITSUI TOATSU CHEMICALS4 citations71

US4526656AJul 2, 1985

Monomeric vinyl chloride stripping tower

MITSUI TOATSU CHEMICALS10 citations66

US5147948ASep 15, 1992

Method for polymerizing vinyl chloride while inhibiting adhesion to the polymerization reactor with coating from poly(hydricphenol sulfide)

MITSUI TOATSU CHEMICALS4 citations61

US5674954AOct 7, 1997

Method of preventing scale adhesion to the surfaces of a polymerization tank and the like

MITSUI TOATSU CHEMICALS2 citations60

MITSUI CHEMICALS INC

2 patents

US5789499AAug 4, 1998

Polymerization process of vinyl chloride in the presence of oxygen

MITSUI CHEMICALS INC18 citations80

US6291600B1Sep 18, 2001

Method of preventing scale adhesion to the surfaces of a polymerization tank

MITSUI CHEMICALS INC1 citations60