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Method of recovering regenerated sizes
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Patent number 5,080,687
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Issue date Jan 14, 1992
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Hoechst Aktiengesellschaft
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Jorg Langer
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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 4,400,294
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Issue date Aug 23, 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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Color-stable brighteners for detergents
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Patent number 4,263,176
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Issue date Apr 21, 1981
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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...
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Brightener mixtures and their use
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Patent number 4,129,412
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Issue date Dec 12, 1978
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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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Benzofuran-oxadiazole compounds
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Patent number 4,122,257
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Issue date Oct 24, 1978
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Hoechst Aktiengesellschaft
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Gunter Prossel
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Mixture of benzoxazole derivatives
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Patent number 4,110,246
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Issue date Aug 29, 1978
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Hoechst Aktiengesellschaft
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Hans Frischkorn
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...