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Mixtures of optical brighteners
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Patent number 4,416,795
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Issue date Nov 22, 1983
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Hoechst Aktiengesellschaft
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Thomas Martini
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Mixtures of optical brighteners
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Patent number 4,336,155
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Issue date Jun 22, 1982
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Hoechst Aktiengesellschaft
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Thomas Martini
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Mixtures of optical brighteners
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Patent number 4,330,427
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Issue date May 18, 1982
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Hoechst Aktiengesellschaft
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Thomas Martini
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Mixtures of optical brighteners
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Patent number 4,231,741
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Issue date Nov 4, 1980
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Hoechst Aktiengesellschaft
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Dieter Gunther
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Mixtures of optical brighteners
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Patent number 4,169,810
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Issue date Oct 2, 1979
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Hoechst Aktiengesellschaft
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Dieter Gunther
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...