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Kousuke Yamamoto
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Ohmuta, JP
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last 30 patents
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Patent Grant
Process for preparing organic isocyanates
Patent number
4,193,932
Issue date
Mar 18, 1980
Mitsui Toatsu Chemicals Inc.
Ryuichi Yamamoto
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for preparing stable anhydrous sodium dithionite
Patent number
4,126,716
Issue date
Nov 21, 1978
Mitsui Toatsu Chemicals, Inc.
Kousuke Yamamoto
C01 - INORGANIC CHEMISTRY