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Kiyomi Kishimoto
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Osaka, JP
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last 30 patents
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Patent Grant
Process for preparing and purifying p-phenylenediamine
Patent number
4,191,708
Issue date
Mar 4, 1980
Sumitomo Chemical Company, Limited
Hiromichi Okabe
C07 - ORGANIC CHEMISTRY
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last 30 patents
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Patent Application
Process for producing an aralkyl compound, a dehalogenation method...
Publication number
20060167301
Publication date
Jul 27, 2006
Sumitomo Chemical Company, Limited
Seiji Yamada
C07 - ORGANIC CHEMISTRY