Hair care compositions comprising a 2-pyridinol-n-oxide material and an iron chelator

Patent metadata

Field	Value
Publication number	US-11529299-B2
Application number	US-201816022994-A
Country	US
Kind code	B2
Filing date	Jun 29, 2018
Priority date	Jun 30, 2017
Publication date	Dec 20, 2022
Grant date	Dec 20, 2022

Abstract

The present invention is directed to a hair care composition having an effective amount of a 2-pyridinol-N-oxide material and an effective amount of an iron chelator; wherein the combination of the iron chelator and the 2-pyridinol-N-oxide material provides high anti-fungal efficacy.

First claim

What is claimed is:

1. A shampoo composition comprising:
a) from about 10% to about 20% of a detersive surfactant
b) from about 0.3% to about 3% of 1-hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2-pyridone monoethanolamine salt;
c) from about 0.3% to about 6% of Diethylenetriaminepentakis (methylenephosphonic acid) wherein the combination of 1-hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2-pyridone monoethanolamine salt and Diethylenetriaminepentakis (methylenephosphonic acid) has a modified fractional inhibitor concentration of 50 ppm
d) from about 40% to about 95% of aqueous carrier.

2. The hair care composition of claim 1 wherein the 1-hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2-pyridone monoethanolamine salt material is from about 0.5% to about 2%.

3. The hair care composition of claim 1 wherein the Diethylenetriaminepentakis (methylenephosphonic acid) is from about 0.5% to about 4%.

4. The shampoo composition of claim 1 wherein the hair composition further comprises one or more additional anti-dandruff active agents selected from the group consisting of climbazole, ketoconazole, itraconazole, econazole, elubiol and combinations thereof.

Assignees

• Procter & Gamble

Inventors

• Kelly Casey Patrick
• Pettigrew Charles Allen
• Miracle Gregory Scot
• Stenger Patrick Christopher
• Martin Kenneth Lamont
• Shields Jennifer Gentry
• Caserta Justin Angelo
• Henry James Patrick

Classifications

• A61K8/8158

  Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers · CPC title

• A61Q5/02

  Preparations for cleaning the hair · CPC title

• A61K8/411

  Aromatic amines, i.e. where the amino group is directly linked to the aromatic nucleus · CPC title

• A61K2800/51

  Chelating agents · CPC title

• A61K8/494

  with more than one nitrogen as the only hetero atom · CPC title