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Norio Oyabu
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Nobeoka, JP
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last 30 patents
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Patent Grant
Urethane prepolymer composition and a polyurethane coating composit...
Patent number
4,929,667
Issue date
May 29, 1990
Asahi Kasei Kogyo Kabushiki Kaisha
Kazuki Ban
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Isocyanurate polyisocyanate and its use as a curing agent for a two...
Patent number
4,801,663
Issue date
Jan 31, 1989
Asahi Kasei Kogyo Kabushiki Kaisha
Kaoru Ueyanagi
C07 - ORGANIC CHEMISTRY