| US 7,553,337 B2 | ||
| Hair colorants for simultaneous dyeing and brightening of keratin fibers | ||
| Cecile Pasquier, Marly (Switzerland); Caroline Kiener, Marly (Switzerland); and Hans-Juergen Braun, Ueberstorf (Switzerland) | ||
| Assigned to Wella AG, Darmstadt (Germany) | ||
| Appl. No. 10/587,763 PCT Filed Nov. 16, 2005, PCT No. PCT/EP2004/012982 § 371(c)(1), (2), (4) Date Jul. 28, 2006, PCT Pub. No. WO2005/079732, PCT Pub. Date Sep. 01, 2005. |
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| Claims priority of application No. 10 2004 008 604 (DE), filed on Feb. 21, 2004. | ||
| Prior Publication US 2007/0169284 A1, Jul. 26, 2007 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. A61Q 5/10 (2006.01); C09B 44/08 (2006.01) | ||
| U.S. Cl. 8—405 [8/406; 8/437; 8/455; 8/466; 8/570; 8/571; 8/575; 534/604] | 12 Claims |
1. An agent for the simultaneous brightening and coloring of keratin fibers, wherein the agent contains an oxidant and at
least one thiazolium dye of formula (I) and has a basic pH
 R1 stands for a saturated or unsaturated (C1-C12)-alkyl group, a halogen atom-substituted (C1-C12)-alkyl group, a hydroxy-(C1-C12)-alkyl
group, a (C1-C6)-alkoxy-(C1-C12)-alkyl group, an amino-(C1-C12)-alkyl group, a (C1-C6)-alkylamino-(C1-C12)-alkyl group, a
di(C1-C6)-alkylamino-(C1-C12)-alkyl group, a cyano-(C1-C12)-alkyl group, a substituted or unsubstituted phenyl group or a
substituted or unsubstituted benzyl group;
R2 and R3 can be equal or different and independently of each other stand for hydrogen, a halogen atom, a saturated or unsaturated
(C1-C12)-alkyl group, a (C1-C12)-alkoxy group, a nitro group, an amino group, a (C1-C12)-alkylamino group, a di(C1-C12)-alkylamino
group, a (C1-C12)-hydroxyalkylamino group, a di(C1-C12)-hydroxyalkylamino group, a substituted or unsubstituted phenyl group
or a substituted or unsubstituted heteroaryl group;
R4 stands for hydrogen, a saturated or unsaturated (C1-C12)-alkyl group, a halogen atom-substituted (C1-C12)-alkyl group,
a hydroxy-(C1-C12)-alkyl group, an amino-(C1-C12)-alkyl group or a benzyl group;
R5 and R6 can be equal or different and independently of each other stand for hydrogen, a halogen atom, a saturated or unsaturated
(C1-C12)-alkyl group, a hydroxyl group, a (C1-C12)-alkoxy group, a cyano group, a nitro group, an amino group, a (C1-C12)-alkylamino
group or a di(C1-C12)-alkylamino group and
A− stands for an anion of an organic or inorganic acid.
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