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Cyclic amide compound
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Patent number 6,645,957
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Issue date Nov 11, 2003
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Kowa Co., Ltd.
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Hiroyuki Ishiwata
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C07 - ORGANIC CHEMISTRY
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Cyclic amide compounds
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Patent number 6,448,242
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Issue date Sep 10, 2002
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Kowa Co., Ltd.
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Hiroyuki Ishiwata
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C07 - ORGANIC CHEMISTRY
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Porphyrin-nucleus introduced polymers
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Patent number 6,437,067
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Issue date Aug 20, 2002
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Kowa Co., Ltd.
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Takaharu Asano
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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