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Optical brighteners
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Patent number 7,198,731
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Issue date Apr 3, 2007
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Clariant Finance (BVI) Limited
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Andrew Clive Jackson
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Fluorescent whitening agents
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Patent number 6,464,735
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Issue date Oct 15, 2002
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Ciba Specialty Chemicals Corporation
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Peter Rohringer
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Fluorescent whitening agents
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Patent number 6,458,169
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Issue date Oct 1, 2002
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Ciba Specialty Chemicals Corporation
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Peter Rohringer
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Triazinylaminostilbene compounds
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Patent number 6,331,626
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Issue date Dec 18, 2001
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Ciba Specialty Chemicals Corporation
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Peter Rohringer
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Fluorescent whitening agents
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Patent number 6,210,449
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Issue date Apr 3, 2001
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Ciba Specialty Chemicals Corporation
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Peter Rohringer
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Triazinylaminostilbene compounds
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Patent number 6,153,122
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Issue date Nov 28, 2000
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Ciba Specialty Chemicals Corporation
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Peter Rohringer
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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 6,120,704
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Issue date Sep 19, 2000
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Clariant GmbH
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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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Stilbene compounds and their use
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Patent number 6,080,208
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Issue date Jun 27, 2000
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Ciba Specialty Chemicals Corporation
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Dieter Reinehr
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Compounds
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Patent number 5,945,396
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Issue date Aug 31, 1999
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Ciba Specialty Chemicals Corporation
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Claude Eckhardt
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Triazine derivatives and their use
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Patent number 5,939,379
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Issue date Aug 17, 1999
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Ciba Specialty Chemicals Corporation
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Claude Eckhardt
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Stilbene compounds and their use
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Patent number 5,892,031
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Issue date Apr 6, 1999
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Ciba Specialty Chemicals Corporation
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Dieter Reinehr
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Optical brightening agents
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Patent number 5,873,913
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Issue date Feb 23, 1999
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Clariant Finance (BVI) Limited
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John Stuart Cowman
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Fluorescent whitening agent formulation
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Patent number 5,830,241
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Issue date Nov 3, 1998
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Ciba Specialty Chemicals Corporation
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Peter Rohringer
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Fluroescent whitening agents
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Patent number 5,779,741
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Issue date Jul 14, 1998
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Ciba Specialty Chemicals Corporation
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Jean-Pierre Bacher
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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