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Shunichi Doi
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Yokohama, JP
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last 30 patents
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Patent Grant
Process for producing N-substituted maleimides
Patent number
4,812,579
Issue date
Mar 14, 1989
Nitto Chemical Industry Co., Ltd.
Shunichi Doi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing carboxylic acid esters from nitriles
Patent number
4,408,067
Issue date
Oct 4, 1983
Nitto Chemical Industries, Ltd.
Tomio Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for purifying 2-acrylamido-2-methylpropanesulfonic acid
Patent number
4,337,215
Issue date
Jun 29, 1982
Nitto Chemical Industry Co., Ltd.
Shunichi Doi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing N-substituted acrylamide or methacrylamide
Patent number
4,321,411
Issue date
Mar 23, 1982
Nitto Chemical Industry Co., Ltd.
Tomio Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing highly pure-2-acrylamido-2-methylpropanesulfo...
Patent number
4,219,498
Issue date
Aug 26, 1980
Nitto Chemical Industry Co., Ltd.
Shunichi Doi
C07 - ORGANIC CHEMISTRY