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Yuko Harashina
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Shizuoka, JP
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last 30 patents
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Patent Grant
Hygroscopic polyester copolymer, and a hygroscopic fiber made there...
Patent number
5,698,331
Issue date
Dec 16, 1997
Toray Industries, Inc.
Yoshitaka Matsumura
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING