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Dyestuff preparations
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Patent number 4,049,378
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Issue date Sep 20, 1977
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Bayer Aktiengesellschaft
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Hermann Perrey
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Pigment formulation
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Patent number 4,013,481
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Issue date Mar 22, 1977
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Bayer Aktiengesellschaft
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Hans-Heinz Molls
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C01 - INORGANIC CHEMISTRY
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Aqueous pigment dispersions
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Patent number 3,998,652
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Issue date Dec 21, 1976
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Bayer Aktiengesellschaft
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Volker Aign
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Dyestuff preparations
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Patent number 3,958,929
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Issue date May 25, 1976
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Bayer Aktiengesellschaft
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Reinhold Hornle
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...