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History of technological innovation

1941
First in Japan to commercially produce phthalic anhydride
1952
Successfully mass-produced maleic anhydride through benzene oxidation
1953
Used proprietary technology to commercially produce unsaturated polyester resin for the first time in Japan
1955
Launched production of fumaric acid
1959
Used proprietary technology to commercially produce ethylene oxide for the first time in Japan
1962
Launched production of ethanolamines
1969
Launched production of ethyleneimine
1970
Commercially produced acrylic acid and acrylates by oxidizing propylene for the first time in Japan
1972
Launched production of secondary alcohol ethoxylates
1974
Launched production of automotive catalysts
1979
Launched production of spherical fine particles
1982
Completed demonstration plant for methacrylic acid and methyl methacrylate
1985
Launched full-scale production of superabsorbent polymers
1987
Launched production of polymers for concrete admixture
1997
Launched production of dioxin decomposition catalysts
2000
Commercialized fuel-cell materials
2002
Launched production of N-Vinyl pyrrolidone
2003
Decommissioned and dismantled the phthalic anhydride facility
2006
Production launch of acrylic resins for optical materials
Launched production of acrylic resins for optical materials
2014
Commercialized electrolyte for rechargeable lithium-ion batteries