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Tsutomu Kawamura
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Yokohama, JP
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last 30 patents
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Patent Grant
Surface whitening preventing flame-retardant olefin polymer composi...
Patent number
5,317,051
Issue date
May 31, 1994
Nippon Petrochemicals Co., Ltd.
Masahiro Harashige
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...