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ABA type block copolymers
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Patent number 5,314,962
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Issue date May 24, 1994
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Mitsubishi Petrochemical Company Limited
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Takayuki Otsu
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Separation membrane
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Patent number 5,104,428
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Issue date Apr 14, 1992
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Tosoh Corporation
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Toru Doi
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Optical resin from diallyl esters
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Patent number 4,855,374
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Issue date Aug 8, 1989
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Nippon Oil and Fats Co., Ltd.
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Yoshishige Murata
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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