SELF-HEATING AGENT FOR THE REDUCTIVE DECOLORATION OF DYED KERATINOUS FIBERS

• US 20190029934A1
• Filed: 03/15/2018
• Published: 01/31/2019
• Est. Priority Date: 03/15/2017
• Status: Abandoned Application

• Current Assignee: Henkel AG & Co KGaA
• Original Assignee: Henkel AG & Co KGaA
• Inventors: Schoepgens, Juergen, Lechner, Torsten
• Application Number:
  US15/922,547
• Publication Number:
  US 20190029934A1
• Time in Patent Office: Days
• CPC Class Codes: A45D 2200/25 Kits
• CPC Class Codes: A45D 7/06 combined chemical and thermal
• CPC Class Codes: A61K 2800/242 Exothermic; Self-heating; Heating sensation
• CPC Class Codes: A61K 2800/592 Mixtures of compounds complementing their respective functions
• CPC Class Codes: A61K 2800/88 Two- or multipart kits
• CPC Class Codes: A61K 2800/882 Mixing prior to application
• CPC Class Codes: A61K 8/22 Peroxides; Oxygen; Ozone
• CPC Class Codes: A61K 8/23 Sulfur; Selenium; Tellurium; Compounds thereof
• CPC Class Codes: A61K 8/25 Silicon; Compounds thereof
• CPC Class Codes: A61K 8/365 Hydroxycarboxylic acids; Ketocarboxylic acids
• CPC Class Codes: A61K 8/447 containing sulfur
• CPC Class Codes: A61K 8/46 containing sulfur A61K8/44 takes precedence
• CPC Class Codes: A61K 8/676 Ascorbic acid, i.e. vitamin C
• CPC Class Codes: A61Q 5/08 Preparations for bleaching the hair

Abstract

Kit-of-parts for the reductive decoloration of dyed keratinous fibers comprising, packaged separately from one another

• (I) a first container (A) containing a cosmetic agent (a) and
• (II) a second container (B) containing a cosmetic agent (b),
• wherein
  • the agent (a) in the first container (A)
• (a1) contains one or more reducing agents from the group of formamidine sulphinic acids, sodium dithionite, zinc dithionite, potassium dithionite, hydroxymethane sulphinic acid, aminomethan sulphinic acid, cysteine, thiolactic acid, sulfanyl acetic acid, and/or ascorbic acid, and
  • the agent (b) in container (B)
• (b1) contains one or more oxidants from the group of hydrogen peroxide, potassium sulphate, sodium persulphate and/or ammonium persulphate, and
• wherein the weight ratio of the total quantity of all reducing agents (a1) to the total quantity of all oxidants (b1)—relative to the total weight of agents (a) plus (b)—is a value of 50.0 to 4.0.

Claims

1. Kit-of-parts for the reductive decoloration of dyed keratinous fibers comprising, packaged separately from one another

(I) a first container (A) comprising a cosmetic agent (a) and

(II) a second container (B) comprising a cosmetic agent (b),

wherein

the agent (a) in the first container (A) comprises

(a1) one or more reducing agents chosen from the group of formamidine sulphinic acids, sodium dithionite, zinc dithionite, potassium dithionite, hydroxymethane sulphinic acid, aminomethane sulphinic acid, cysteine, thiolactic acid, sulfanyl acetic acid, and/or ascorbic acid, and

the agent (b) in container (B) comprises

(b1) one or more oxidants chosen from the group of hydrogen peroxide, potassium sulphate, sodium persulphate and/or ammonium persulphate, and

wherein the weight ratio of the total quantity of all reducing agents (a1) contained in agent (a) to the total quantity of all oxidants (b1) contained in agent (b)—

relative to the total weight of agents (a) plus (b)—

is a value of from about 50.0 to about 4.0.

2. Kit-of-parts according to claim 1, wherein the agent (a) in the first container (A) comprises

(a1) one or more reducing agents chosen from the group of formamidine sulphinic acid, sodium dithionite, zinc dithionite and/or potassium dithionite.

3. Kit-of-parts according to claim 1, wherein the agent (a) in the first container (A) comprises—

relative to the total weight of the agent (a)—

one or more reducing agents (a1) in a total quantity of from about 5.0 to about 80.0 wt. %.

4. Kit-of-parts according to claim 1, wherein the agent (a) in the first container (A) has—

relative to the total weight of the agent (a)—

a water content of below about 10.0 wt. %.

5. Kit-of-parts according to claim 1, wherein the agent (a) in the first container (A) further comprises—

relative to the total weight of the agent (a)—

one or more fatty constituents (a2) chosen from the group of C₁₂-C₃₀ fatty alcohols, C₁₂-C₃₀ fatty acid triglycerides, C₁₂-C_3ofatty acid monoglycerides, C₁₂-C₃₀ fatty acid diglycerides, C₁₂-C₃₀ fatty acid esters, hydrocarbons and/or silicone oils in a total quantity of from about 10 to about 90 wt. %.

6. Kit-of-parts according to claim 1, wherein the agent (a) in the first container (A) further comprises

(a3) one or more alkalizing agents chosen from the group of sodium metasilicate, potassium metasilicate, potassium hydroxide, sodium hydroxide, sodium carbonate, potassium carbonate, sodium hydrogen carbonate and/or potassium hydrogen carbonate.

7. Kit-of-parts according to claim 1, wherein the agent (a) comprises—

relative to the total weight of the agent (a)—

from about 3.0 to about 25.0 wt. %, sodium metasilicate.

8. Kit-of-parts according to claim 1, wherein the agent (b) in the second container (B) comprises

(b1) contains hydrogen peroxide as the oxidant.

9. Kit-of-parts according to claim 1, wherein the agent (b) in the first container (B) comprises—

relative to the total weight of the agent (b)—

one or more oxidants (b1) in a total quantity of from about 1.0 to about 5.0 wt. %.

10. Kit-of-parts according to claim 1, wherein the agent (b) comprises—

relative to the total weight of the agent (b)—

from about 30 to about 97 wt. % of water.

11. Kit-of-parts according to claim 1, wherein the weight ratio from the total quantity of all reducing agents (a1) contained in the agent (a) to the total quantity of all oxidants (b1) contained in the agent (b)—

relative to the total weight of the agent (a) plus (b)—

is a value of from about 45.0 to about 5.0.

12. Kit-of-parts according to claim 1, wherein the containers (A) and (B) comprise the agents (a) and (b) in such quantities that the quantity ratio of agent (a) to agent (b) is a value of from about 0.1 to about 1.0.

13. Kit-of-parts according to claim 1, consisting of two agents (a) and (b) in the two respective containers (A) and (B).

14. Ready-to-use agent for the reductive decoloration of dyed keratinous fibers, comprising

(a1) one or more reducing agents chosen from the group of formamidine sulphinic acids, sodium dithionite, zinc dithionite, potassium dithionite, hydroxymethane sulphinic acid, aminomethane sulphinic acid, cysteine, thiolactic acid, sulfanyl acetic acid, and/or ascorbic acid, and

(b1) one or more oxidants chosen from the group of hydrogen peroxide, potassium sulphate, sodium persulphate and/or ammonium persulphate,

wherein the weight ratio of the total quantity of all reducing agents (a1) contained in the agent to the total quantity of all oxidants (b1) contained in the agent—

relative to the total weight of agent—

is a value of from about 50.0 to about 4.0.

15. Agent according to claim 14, comprising

(a1) one or more reducing agents from the group of formamidine sulphinic acid, sodium dithionite, zinc dithionite and/or potassium dithionite, most preferably formamidine sulphinic acid.

16. Agent according to claim 14, comprising

(b1) hydrogen peroxide as the oxidant.

17. Agent according to claim 14, wherein the weight ratio from the total quantity of all reducing agents (a1) contained in the agent to the total quantity of all oxidants (b1) contained in the agent—

relative to the total weight of the agent (a) plus (b)—

is a value of from about 45.0 to about 5.0.

18. Method for the reductive decoloration of dyed keratinous fibers, comprising the following steps in the stated sequence

(I) producing a ready-to-use decolorizing agent by mixing a first agent (a) with a second agent (b), wherein

agent (a) comprises

(a1) one or more reducing agents chosen from the group of formamidine sulphinic acids, sodium dithionite, zinc dithionite, potassium dithionite, hydroxymethane sulphinic acid, aminomethane sulphinic acid, cysteine, thiolactic acid, sulfanyl acetic acid, and/or ascorbic acid, and

agent (b) comprises

(b1) one or more oxidants chosen from the group of hydrogen peroxide, potassium sulphate, sodium persulphate and/or ammonium persulphate,

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

(III) allowing the decolorizing agent to take effect,

(IV) rinsing the decolorizing agent out of the keratinous fibers.

19. Method according to claim 18, wherein a period from 10 seconds to 30 minutes lapses between steps (I) and (II).

20. Method according to claim 18, wherein the agents (a) and (b) are mixed with one another in a quantity ratio (a)/(b) from about 0.1 to about 1.0, wherein the mixture of agent (a) and (b) is hydrous, and wherein the mixture of agent (a) and (b) has a pH value from about 7.5 to about 12.5.

21. (canceled)