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Katsumi Tamai
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Otake, JP
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last 30 patents
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Patent Grant
Methacrylic resin shaped article, process for producing the same an...
Patent number
4,525,537
Issue date
Jun 25, 1985
Mitsubishi Rayon Co., Ltd.
Kazumasa Kamada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Process for producing a low hygroscopic methacrylic resin and infor...
Patent number
4,509,163
Issue date
Apr 2, 1985
Mitsubishi Rayon Co., Ltd.
Kazumasa Kamada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...