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Yuji Takamizawa
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Kurashiki, JP
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last 30 patents
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Patent Grant
Process for formylating xylene mixture
Patent number
4,368,336
Issue date
Jan 11, 1983
Mitsubishi Gas Chemical Company, Inc.
Susumu Fujiyama
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process and apparatus for producing terephthalic acid with high purity
Patent number
4,297,507
Issue date
Oct 27, 1981
Mitsubishi Gas Chemical Co. Inc.
Makoto Komatsu
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for producing terephthalic acid of high purity
Patent number
4,268,690
Issue date
May 19, 1981
Mitsubishi Gas Chemical Company, Inc.
Makoto Komatsu
C07 - ORGANIC CHEMISTRY