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Yoichi Kawasaki
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Ichihara, JP
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last 30 patents
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Patent Grant
Process for the preparation of polyisocyanate
Patent number
5,070,137
Issue date
Dec 3, 1991
Dainippon Ink and Chemicals, Inc.
Mitsuo Kase
C07 - ORGANIC CHEMISTRY
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Patent Grant
Isocyanate prepolymer and process for preparing the same
Patent number
5,064,928
Issue date
Nov 12, 1991
Dainippon Ink and Chemicals, Inc.
Mitsuo Kase
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...