Composition for the oxidation dyeing of keratin fibres, comprising at least one 4,5-or 3,4-diaminopyrazole or a triaminopyrazole and at least one selected carbonyl compound, and dyeing process

• US 20080141468A1
• Filed: 10/23/2007
• Published: 06/19/2008
• Est. Priority Date: 12/22/2000
• Status: Active Grant

• Current Assignee: L'Oreal SA
• Original Assignee: L'Oreal SA
• Inventors: Cotteret, Jean
• Granted Patent: US 7,951,209 B2
• Time in Patent Office: Days
• US Class Current: 8/406
• CPC Class Codes: A61K 8/35 Ketones, e.g. benzophenone
• CPC Class Codes: A61K 8/362 Polycarboxylic acids
• CPC Class Codes: A61K 8/42 Amides
• CPC Class Codes: A61K 8/494 with more than one nitrogen as the only hetero atom
• CPC Class Codes: A61K 8/498 having 6-membered rings or their condensed derivatives, e.g. coumarin
• CPC Class Codes: A61K 8/60 Sugars; Derivatives thereof
• CPC Class Codes: A61Q 5/10 Preparations for permanently dyeing the hair

Abstract

The present invention relates to a composition for the oxidation dyeing of keratin fibres, in particular of human keratin fibres such as the hair, comprising at least one oxidation base chosen from 4,5- or 3,4-diaminopyrazoles and triaminopyrazoles, in combination with at least one selected carbonyl compound, and also to the dyeing process using this composition with an oxidizing agent.

Claims

1. A composition for the oxidation dyeing of human keratin fibers, and in particular of human keratin fibers such as the hair, comprising:

a medium that is suitable for dyeing

at least one oxidation base comprising 4,5-diamino 1-hydroxyethyl pyrazole or the addition salts thereof with an acid,

at least one carbonyl compound selected from the group consisting of polyimides and compounds of formulae (I), (II) and (III)

2. The composition of claim 1, wherein said compounds are compounds of formula (I) and are selected from the group consisting of urea, aliphatic aldehydes or ketones, aromatic aldehydes or ketones, β

-dicarbonyl compounds, γ

-pyrones, chromones, aldoses and ketoses.

3. The composition of claim 1, wherein said compound is a compound of formula (II) and is maleic acid.

4. The composition of claim 1, wherein said compound is a compound of formula (III) and is maleic anhydride.

5. The composition of claim 1, wherein said polyimide is an aromatic polyimide.

6. The composition of claim 5, wherein said polyimide is obtained from pyromellitic dianhydride or benzophenone dianhydride.

7. The composition of claim 1, wherein said at least one carbonyl compound represent from 0.00001% to 10% by weight approximately relative to the total weight of the dye composition.

15. The composition according to any of claim 1, wherein said 4,5-diamino 1-hydroxyethyl pyrazole and/or the corresponding addition salt with an acid represent from 0.0005% to 12% by weight relative to the total weight of the dye composition.

16. The composition of claim 15, wherein said 4,5-diamino 1-hydroxyethyl pyrazole and/or the corresponding addition salt with an acid represent from 0.005% to 6% by weight relative to the total weight of the dye composition.

17. The composition of claim 1, wherein the weight ratio of said at least one carbonyl compound to said 4, 5-diamino 1-hydroxyethyl and/or the addition salt(s) with an acid is between 0.001 and 100.

18. The composition of claim 1, wherein said addition salts with an acid are chosen from the hydrochlorides, hydrobromides, sulphates, tartrates, lactates and acetates.

19. The composition of claim 1, further comprising at least one coupler.

20. The composition of claim 19, wherein said at least one coupler represent from 0.0001% to 10% by weight approximately relative to the total weight of the dye composition.

21. The composition claim 1, further comprising at least one additional oxidation base other than said 4,5-diamino 1-hydroxyethyl pyrazole.

22. The composition of claim 21, wherein said at least one additional oxidation base represent from 0.0005% to 12% by weight approximately relative to the total weight of the dye composition.

23. The composition of claim 1, wherein said composition has a pH of between 3 and 12.

24. The composition of claim 1, wherein said composition is in the form of liquids, creams or gels or in any other form that is suitable for dyeing keratin fibres, and especially human hair.

25. A process for dyeing keratin fibres, and in particular human keratin fibres such as the hair, comprising the steps of applying the composition of claim 1 to said keratin fibres and applying an oxidizing agent to said keratin fibers to reveal the color wherein said color is revealed at acidic, neutral or alkaline pH.

26. The process of claim 25, wherein said oxidizing agent is selected from the group consisting of hydrogen peroxide, urea peroxide, alkali metal bromates, persalts such as perborates, percarbonates and persulphates, and peracids.

27. A process for dyeing keratin fibres, and in particular human keratin fibres such as the hair, comprising the steps of applying a composition containing at least one carbonyl compound as defined in claim 1 to said keratin fibres in a first stage, applying a composition containing at least one diaminopyrazole as defined in claim 1 to said keratin in a second stage, developing the color with an oxidizing agent and optionally rinsing the keratin fibers either before or after the application of the oxidizing agent.

28. A multi-compartment device comprising a first compartment containing said composition for the oxidation dyeing of human keratin fibers of claim 1 and a second compartment containing an oxidizing composition.

29. A multi-compartment device comprising a first compartment containing said carbonyl compound claim 1, a second compartment containing said 4-5-diamino 1-hydroxyethyl pyrazole of claim 1, and a third compartment containing an oxidizing composition.

30. The composition of claim 7, wherein said carbonyl compound(s) represent(s) from 0.001% to 5% by weight approximately relative to the total weight of the dye composition.

31. The composition of claim 30, wherein said carbonyl compound(s) represent(s) from 0.001% to 3% by weight approximately relative to the total weight of the dye composition.

32. The composition of claim 20, wherein said at least one coupler represents from 0.005% to 5% by weight approximately relative to the total weight of the dye composition.

33. The composition of claim 17, wherein the weight ratio of said at least one carbonyl compound to said 4,5-diamino 1-hydroxyethyl pyrazole and/or the addition salt(s) with an with an acid is between 0.01 and 10.

8-14. -14. (canceled)