Decolorization of colored keratinic fibers

• US 10,456,606 B2
• Filed: 01/07/2017
• Issued: 10/29/2019
• Est. Priority Date: 07/09/2014
• Status: Active Grant

• Current Assignee: Henkel AG & Co KGaA
• Original Assignee: Henkel AG & Co KGaA
• Inventors: Schoepgens, Juergen, Mueller, Burkhard
• Primary Examiner(s): Babson, Nicole P
• Application Number:
  US15/400,984
• Publication Number:
  US 20170113071A1
• Time in Patent Office: 1,025 Days
• Field of Search: None
• CPC Class Codes: A61K 8/19 containing inorganic ingredients
• CPC Class Codes: A61K 8/342 Alcohols having more than seven atoms in an unbroken chain
• CPC Class Codes: A61K 8/347 Phenols
• CPC Class Codes: A61K 8/36 Carboxylic acids; Salts or anhydrides thereof
• CPC Class Codes: A61K 8/411 Aromatic amines, i.e. where the amino group is directly linked to the aromatic nucleus
• CPC Class Codes: A61K 8/442 substituted by amido group(s)
• CPC Class Codes: A61K 8/45 Derivatives containing from 2 to 10 oxyalkylene groups
• CPC Class Codes: A61K 8/466 containing sulfonic acid derivatives; Salts
• CPC Class Codes: A61K 8/4926 having six membered rings
• CPC Class Codes: A61K 8/4973 with oxygen as the only hetero atom
• CPC Class Codes: A61K 8/602 Glycosides, e.g. rutin
• CPC Class Codes: A61Q 5/08 Preparations for bleaching the hair

Abstract

A multi-component packaging unit and related method for the reductive decolorization of colored keratinic fibers comprising, packaged separately from one another,

• • (I) a container (A) containing a cosmetic agent (a),
  • (II) a container (B) containing a cosmetic agent (b), and
  • (III) a container (C) containing a cosmetic, aqueous agent (c), with
    • the agent (b) in container (B) containing
      • (a1) one or more reducing agents from the group of sodium dithionite, zinc dithionite, potassium dithionite, sodium sulfite, sodium hydrogen sulfite, potassium sulfite, potassium hydrogen sulfite, ammonium sulfite, sodium thiosulfate, potassium thio sulfate, ammonium thio sulfate, hydroxymethane sulfinic acid, aminomethane sulfinic acid, cysteine, thiolactic acid, sulfanylacetic acid (thioglycolic acid) and/or ascorbic acid, and
    • agent (c) in container (C) including
      • (c1) one or more acids from the group of the inorganic and/or organic acids and
      • (c2) one or more zwitterionic and/or amphoteric surfactants.

Claims

1. A multi-component packaging unit (kit of parts) for the reductive decolorization of colored keratinic fibers comprising, packaged separately from one another,

(I) a container (A) containing a cosmetic agent (a),

(II) a container (B) containing a cosmetic agent (b), and

(III) a container (C) containing a cosmetic, aqueous agent (c), with

the agent (a) in container (A) comprising 85.0 to 100 wt % with respect to the total weight of agent (a), of

(a1) one or more reducing agents selected from the group consisting of sodium dithionite, zinc dithionite, potassium dithionite, sodium sulfite, sodium hydrogen sulfite, potassium sulfite, potassium hydrogen sulfite, ammonium sulfite, sodium thiosulfate, potassium thiosulfate, ammonium thiosulfate, hydroxymethane sulfinic acid, aminomethane sulfinic acid, cysteine, thiolactic acid, sulfanylacetic acid (thioglycolic acid), ascorbic acid, and mixtures thereof,

the agent (b) in container (B), comprises

(b1) water and

(b2) one or more acids selected from inorganic and/or organic acids, and

agent (c) in container (C) comprising

(c1) one or more acids selected from the group consisting of malonic acid, oxalic acid, and mixtures thereof, and

(c2) methanesulfonic acid, wherein the total amount of the one or more acids (c1) and the methanesulfonic acid (c2) is present in agent (c) in a total quantity of 2.0 to 20.0 wt % with respect to the total weight of agent (c) and

(c3) one or more zwitterionic and/or amphoteric surfactants

wherein

the agent (a) in container (A) is a water-free agent,

the agent (b) in container (B) is an aqueous agent having a pH of 1 to 6, measured using a Schott N61-type glass electrode at a temperature of 22°

C.,

and

the agent (c) in container (C) has a pH of 0.5 to 4.0 measured using a Schott N61-type glass electrode at a temperature of 22°

C.

2. The multi-component packaging unit (kit of parts) according to claim 1, wherein

the agent (a) in container (A) comprises

(a1) one or more reducing agents selected from the group consisting of sodium dithionite, zinc dithionite, potassium dithionite, sodium sulfite, sodium hydrogen sulfite, potassium sulfite, potassium hydrogen sulfite, ammonium sulfite, sodium thiosulfate, potassium thiosulfate, ammonium thiosulfate, and mixtures.

3. The multi-component packaging unit (kit of parts) according to claim 1, wherein the total amount of the one or more acids (c1) and the methanesulfonic acid (c2) is present in agent (c) in a total quantity of 4.0 to 14.0 wt % with respect to the total weight of agent (c).

4. The multi-component packaging unit (kit of parts) according to claim 1, wherein

the agent (c) in container (C) comprises

(c3) one or more zwitterionic surfactants selected from the group of formulas (I) to (IV),

5. The multi-component packaging unit (kit of parts) according to claim 1, wherein

the agent (c) in container (C) comprises

(c3) one or more zwitterionic surfactants of formula (I),

6. The multi-component packaging unit (kit of parts) according to claim 1, wherein

the agent (c) in container (C) comprises

(c3) one or more zwitterionic surfactants of formula (II),

7. The multi-component packaging unit (kit of parts) according to claim 1, wherein

the agent (c) in container (C) includes

(c3) one or more zwitterionic and/or amphoteric surfactants in a total quantity of 3.0 to 50.0 wt % with respect to the total weight of agent (c).

8. The multi-component packaging unit (kit of parts) according to claim 1, wherein

the total quantity of all of the dyes and oxidation dye precursors included in the agent (a) is no more than 0.2 wt %, with respect to the total weight of the agent (a),

the total quantity of all of the dyes and oxidation dye precursors included in the agent (b) is no more than 0.2 wt %, with respect to the total weight of the agent (b), and

the total quantity of all of the dyes and oxidation dye precursors included in the agent (c) is no more than 0.2 wt %, with respect to the total weight of the agent (c).

9. The multi-component packaging unit (kit of parts) according to claim 1, wherein

the total quantity of all of the oxidizing agents from the group of the peroxides and the persulfates included in the agent (a) is no more than 0.2 wt %, with respect to the total weight of the agent (a),

the total quantity of all of the oxidizing agents from the group of the peroxides and the persulfates included in the agent (b) is no more than 0.2 wt %, with respect to the total weight of the agent (b),

the total quantity of all of the oxidizing agents from the group of the peroxides and the persulfates included in the agent (c) is no more than 0.2 wt %, with respect to the total weight of the agent (c).

10. A method for the reductive decolorization of colored keratinic fibers comprising the following steps in the indicated sequence:

(I) preparation of a ready-to-use decolorizing agent by mixing an agent (a) according to claim 1 with an agent (b) according to claim 1,

(II) applying the ready-to-use decolorizing agent on keratinic fibers,

(III) allowing the decolorizing agent to act for a period of time of 5 to 60 minutes,

(IV) rinsing of the decolorizing agent from the keratinic fibers,

(V) applying a cosmetic aqueous agent (c) according to claim 1,

(VI) allowing the agent (c) to act for a period of time of 30 seconds to 30 minutes, and

(VII) rinsing of the agent (c) from the keratinic fibers.

11. The method according to claim 10, wherein, following step (VII), the following steps are carried out in the indicated sequence:

(VIII) applying a cosmetic aqueous agent (c) to the keratinic fibers,

(IX) allowing the agent (c) to act for a period of time of 30 seconds to 30 minutes, and

(X) rinsing of the agent (c) from the keratinic fibers.

12. The method according to claim 10, wherein

the ready-to-use decolorizing agent is applied to keratin fibers that were colored with at least one oxidation dye precursor from the group of p-phenylenediamine, p-toluylenediamine, N,N-bis-(β

-hydroxyethyl)-p-phenylenediamine, 2-(β

-hydroxyethyl)-p-phenylenediamine and/or 2-(methoxymethyl)-p-phenylenediamine.