Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Doris Oberkobusch0
Wibke Gross0
Sandra Mausberg0
Horst Hoeffkes0
Date of Patent
September 12, 2006
Patent Application Number
11069745
Date Filed
March 1, 2005
Patent Primary Examiner
Patent abstract
A composition for dyeing keratin-containing fibers, particularly human hair, comprising 1,2-dihydropyrimidinium derivatives in combination with reactive carbonyl compounds and methods of employing this combination for dyeing keratin-containing fibers, for color restoration or shading keratin-containing fibers that are already dyed.
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