# US 11,304,890 B2 · Conditioning hair treatment product with washout protection

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- Number: US 11,304,890 B2
- Document ID: US11304890B2
- Status: Granted
- Kind: B2
- Application number: 16/337,289
- Filed: 2017-07-13
- Published: 2019-07-18
- Granted: 2022-04-19
- Earliest claimed: 2016-09-30
- Assignees: Henkel AG & Co. KGaA
- Applicants: Henkel AG & Co. KGaA
- Inventors: Volker Scheunemann; Erik Schulze Zur Wiesche; Rene Krohn
- Web page: https://patentgrep.com/patent/US11304890B2

## CPC

- A61K 8/898: containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
- A61K 8/33: containing oxygen
- A61K 8/345: {containing more than one hydroxy group}
- A61K 8/416: {Quaternary ammonium compounds (A61K8/35 takes precedence)}
- A61K 8/44: Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
- A61K 8/4913: {having five membered rings, e.g. pyrrolidone carboxylic acid}
- A61K 8/731: {Cellulose; Quaternized cellulose derivatives}
- A61K 8/737: {Galactomannans, e.g. guar; Derivatives thereof}
- A61Q 5/004: {Preparations used to protect coloured hair}
- A61Q 5/02: Preparations for cleaning the hair
- A61Q 5/12: Preparations containing hair conditioners
- A61K 2800/5426: cationic
- A61K 2800/592: Mixtures of compounds complementing their respective functions
- A61K 2800/594: Mixtures of polymers
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS

## Abstract

Hair treatment products comprising, in relation to its weight, from about 0.001 to about 20% by weight of at least one alpha-substituted aldehyde and from about 0.001 to about 50% by weight of at least one amino-functional silicon, which lead to improved structural reinforcement of keratin fibers and improved hair care, and which reduce or prevent color washout in dyed hair.

## Claims

### Claim 1

A hair shampoo consisting of, based on its weight,
a) from about 0.001 to about 20 wt. % of alpha-substituted aldehyde, wherein the alpha-substituted aldehyde is glyceraldehyde or bromomalonaldehyde, 2-hydroxy propanal, 2-hydroxy hexanal, 2-hydroxyoctanal or 2-(2-hydroxyethoxy)acetaldehyde
b) from about 0.001 to about 50 wt. % of amodimethicone/morpholinomethyl silsesquioxane copolymer,
c) Sodium laureth sulfate
d) Cocoamidopropyl betaine
e) Ammonium lauryl sulfate
f) Polyquaternium-10
g) Cocamide MEA
h) PEG-7 glyceryl cocoate
i) Nicotinamide
j) Citric acid
k) Panthenol
l) Laureth-2
m) Sodium chloride
n) Water, preservative, perfume oils.

### Claim 2 (depends on 1)

The hair treatment agent according to claim 1, wherein it comprises, based on its weight, from about 0.01 to about 10 wt. %, of alpha-substituted aldehyde.

### Claim 3 (depends on 1)

The hair treatment agent according to claim 1, wherein it comprises, based on its weight, from about 0.01 to about 20 wt. %, of the amodimethicone/morpholinomethyl silsequioxane copolymer.

### Claim 4 (depends on 1)

A method for treating hair, wherein the hair shampoo according to claim 1 is applied to dry or wet hair, is left there for a period of from about 10 to about 300 seconds, and is rinsed out thereafter.

### Claim 5 (depends on 1)

The hair treatment agent according to claim 1, wherein it comprises, based on its weight, from about 0.15 to about 5 wt. %, of amodimethicone/morpholinomethyl silsesquioxane copolymer.

### Claim 6 (depends on 1)

The hair shampoo according to claim 1, wherein the alpha-substituted aldehyde is bromomalonaldehyde.

### Claim 7 (depends on 6)

The hair shampoo according to claim 6, wherein it comprises, based on its weight, from about 0.1 to about 1.5 wt. %, of bromomalonaldehyde.

### Claim 8 (depends on 1)

The shampoo according to claim 1, wherein the alpha-substituted aldehyde is 2-(2-hydroxyethoxy)acetaldehyde.

### Claim 9 (depends on 8)

The hair shampoo according to claim 8, wherein it comprises, based on its weight, from about 0.12 to about 1.2 wt. %, of 2-(2-hydroxyethoxy)acetaldehyde.