IP Library › Granted Patent US 12,257,333
Granted Patent B2
US 12,257,333 · App. 17/372,373 · Granted Mar 25, 2025

Branched amino acid surfactants for personal care and cosmetic products

Inventor: Edward Asirvatham (Chatham, NJ)
Assignee: AdvanSix Resins & Chemicals LLC
A61K8/447A61K8/046A61K8/44A61Q1/10A61Q5/02A61Q5/12A61Q11/00A61Q19/10A61K2800/48A61K2800/52
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Quick Facts
Patent No.
US 12,257,333
App. No.
17/372,373
Granted
Mar 25, 2025
Kind
B2
Abstract

Personal care products, such as shampoos, conditioners, hair dyes, hair removal products, cleansers, cosmetics, mascaras, and toothpastes may be formulated to include one or more branched surfactants, from one or more surfactant classes, such as derivatives of amino acids that have surface-active properties.

Claims (95)

1. A formulation for a shampoo, comprising:

at least one surfactant comprising at least one of

4-((6-((2-butyloctyl)oxy)-6-oxohexyl)dimethylammonio)butane-1-sulfonate, having the following formula:

and/or

2-butyloctyl 6-(dimethylamino)hexanoate N-oxide, having the following formula:

and

a foaming agent; and

water.

2. The formulation of claim 1 , further comprising at least one of:

at least one foam booster;

at least one thickener;

at least one pH stabilizer;

at least one soil penetration agent; and

at least one fragrance.

3. A formulation for a shampoo, comprising:

at least one surfactant comprising at least one of:

4-((6-((2-butyloctyl) oxy)-6-oxohexyl) dimethylammonio) butane-1-sulfonate, having the following formula:

and/or

2-butyloctyl 6-(dimethylamino) hexanoate N-oxide, having the following formula:

and

a thickener; and

water.

4. The formulation of claim 3 , further comprising at least one of:

at least one foam booster;

at least one pH stabilizer;

at least one soil penetration agent; and

at least one fragrance.

5. A formulation for a hair conditioner, comprising:

at least one surfactant comprising at least one of:

4-((6-((2-butyloctyl) oxy)-6-oxohexyl) dimethylammonio) butane-1-sulfonate, having the following formula:

and/or

2-butyloctyl 6-(dimethylamino) hexanoate N-oxide, having the following formula:

and

a fatty component; and

water.

6. The formulation of claim 5 , further comprising at least one of:

at least one emulsifier;

at least one thickening agent;

at least one foaming agent;

at least one clay; and

at least one fragrance.

7. A formulation for a cleanser, comprising:

at least one surfactant comprising at least one of:

4-((6-((2-butyloctyl) oxy)-6-oxohexyl) dimethylammonio) butane-1-sulfonate, having the following formula:

and/or

2-butyloctyl 6-(dimethylamino) hexanoate N-oxide, having the following formula:

and

at least one solvent; and

water.

8. The formulation of claim 7 , further comprising at least one of:

at least one water-soluble polymer;

at least one water-soluble solvent;

at least one fatty component;

at least one conditioner; and

at least one hydrophobicity modifier.

9. A formulation for a cleanser, comprising:

at least one surfactant comprising at least one of:

4-((6-((2-butyloctyl) oxy)-6-oxohexyl) dimethylammonio) butane-1-sulfonate, having the following formula:

and/or

2-butyloctyl 6-(dimethylamino) hexanoate N-oxide, having the following formula:

and

a humectant; and

water.

10. The formulation of claim 9 , further comprising at least one of:

at least one water-soluble polymer;

at least one water-soluble solvent;

at least one fatty component;

at least one conditioner;

at least one hydrophobicity modifier; and

at least one solvent.

11. A formulation for a mascara, comprising:

at least one surfactant comprising at least one of:

4-((6-((2-butyloctyl) oxy)-6-oxohexyl) dimethylammonio) butane-1-sulfonate, having the following formula:

and/or

2-butyloctyl 6-(dimethylamino) hexanoate N-oxide, having the following formula:

and

at least one polymer; and

water.

12. The formulation of claim 11 , further comprising at least one of:

at least one fatty component;

at least one rheology modifier;

at least one emulsifier; and

at least one pigment.

13. A formulation for a toothpaste, comprising:

at least one surfactant comprising at least one of:

4-((6-((2-butyloctyl) oxy)-6-oxohexyl) dimethylammonio) butane-1-sulfonate, having the following formula:

and/or

2-butyloctyl 6-(dimethylamino) hexanoate N-oxide, having the following formula:

and

a fluoride ion source; and

water.

14. The formulation of claim 13 , further comprising at least one of:

at least one basic amino acid;

calcium carbonate; and

at least one flavoring agent.

Assignments (2)
SECURITY INTEREST Recorded Aug 14, 2026
From: ADVANSIX INC.; ADVANSIX RESINS & CHEMICALS LLC
To: CITIZENS BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 076163/0178 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 6, 2021
From: ASIRVATHAM, EDWARD
To: ADVANSIX RESINS & CHEMICALS LLC
Reel/Frame 057104/0493 →
Continuity (2)
Provisional Application 63051193 · Jul 13, 2020
Related Publication 20220008305A1 · Jan 13, 2022
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