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Coloring composition
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Patent number 6,284,432
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Issue date Sep 4, 2001
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Sumitomo Chemical Company, Limited
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Toshiki Furubayashi
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Composition for printing inks
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Patent number 5,779,783
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Issue date Jul 14, 1998
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Sumitomo Chemical Company, Limited
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Hideki Senba
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Pigment compositions
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Patent number 5,556,456
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Issue date Sep 17, 1996
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Sumitomo Chemical Company, Ltd.
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Hiroki Inoue
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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