Inventor

KOSHIBE MINORU

JP4 patents

Patents

4 patents

US5028735AJul 2, 1991

Purification and preparation processes for methyl methacrylate

MITSUI TOATSU CHEMICALS20 citations80

US5196578AMar 23, 1993

Purification process of methacrylic acid

MITSUI TOATSU CHEMICALS10 citations70

US4987252AJan 22, 1991

Quenching process of reaction product gas containing methacrylic acid and treatment method of quenched liquid

MITSUI TOATSU CHEMICALS15 citations70

US4879412ANov 7, 1989

Purification process of methacrylic acid

MITSUI TOATSU CHEMICALS8 citations70