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US 2007/0180629 A1Published application
(3,5-Diaminophenyl)(2,4-dihydroxyphenyl)methanone and the acid adducts thereof, method for their preparation and use of these compounds for dyeing fibers
AssigneeWella Aktiengesellschaft
InventorsOtto Goettel, Andre Hayoz, Hans-Juergen Braun
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Abstract
The object of the present invention are (3,5-diaminophenyl)(2,4-dihydroxyphenyl)metha-none and the acid adducts thereof of formula (I), with 0≦n≧2 and HX denoting an inor-ganic or organic acid, the colorant containing these compounds and a method for producing the compounds of formula (I).
Claims11
(3,5-Diaminophenyl)(2,4-dihydroxyphenyl)methanone and the acid adducts thereof of formula (I), with 0≦n≧2 and HX denoting an inorganic or organic acid.
Dependencies are inferred from the claim text.