US Patent 7156884 Compositions and methods for dyeing keratinous fibers
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Patent Inventor Names
Cècile Pasquier0
David Rozzell0
Guido Sauter0
Juergen Allwohn0
Laurent Chassot0
Vèronique Buclin-Charrière0
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Patent abstract
Pro-dyes of direct dyes having an enzymatically-labile functionality, e.g. glutaramide derivatives of direct dyes of formula (I) or their physiologically acceptable salts,
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US Patent 07156884 Compositions and methods for dyeing keratinous fibers US Patent 7156884 Compositions and methods for dyeing keratinous fibers
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Patent Number
071568840
Patent Number
71568840
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Patent Jurisdiction
Patent Number
071568840
Date of Patent
January 2, 2007
0Patent Application Number
104809080
Date Filed
February 20, 2003
0Official Website
Patent Primary Examiner
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US Patent 07156884 Compositions and methods for dyeing keratinous fibers
Infobox
Is a
Patent jurisdiction
Patent number
07156884
Date of patent
January 2, 2007
Patent application number
10480908
Date Filed
February 20, 2003
Patent primary examiner
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