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Heterocyclic dye compounds
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Patent number 5,210,200
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Issue date May 11, 1993
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Fuji Photo Film Co., Ltd.
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Yasuhiro Shimada
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C07 - ORGANIC CHEMISTRY
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Recording material
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Patent number 4,132,436
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Issue date Jan 2, 1979
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Fuji Photo Film Co., Ltd.
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Sadao Ishige
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Thiazine production
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Patent number 4,119,777
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Issue date Oct 10, 1978
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Fuji Photo Film Co., Ltd.
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Hideo Usui
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C07 - ORGANIC CHEMISTRY