Novel Surfactant Composition

• US 20130189212A1
• Filed: 01/24/2013
• Published: 07/25/2013
• Est. Priority Date: 01/24/2012
• Status: Abandoned Application

• Current Assignee: Galaxy Surfactants Ltd.
• Original Assignee: Galaxy Surfactants Ltd.
• Inventors: Jawale, Arun Harachandra, Jumde, Vaishali Amol
• Application Number:
  US13/749,458
• Publication Number:
  US 20130189212A1
• Time in Patent Office: Days
• US Class Current: 424/70.19
• CPC Class Codes: A61K 8/44 Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
• CPC Class Codes: A61K 8/466 containing sulfonic acid derivatives; Salts
• CPC Class Codes: A61Q 19/10 Washing or bathing preparations
• CPC Class Codes: A61Q 5/02 Preparations for cleaning the hair
• CPC Class Codes: A61Q 5/12 Preparations containing hair conditioners

Abstract

A surfactant composition comprising the following elements in the indicated amounts expressed as percentage by weight: (a) 1 to 20% of at least one fatty acyl isethionate compound; (b) 0.1% to 10% of at least one acyl glycinate compound; (c) 0.1% to 20% of at least one alkyl betaine compound; and (d) 60% to 98.8% of water wherein the weight ratio of fatty acyl isethionate to acyl glycinate and alkyl betaine is in the range of 1:0.1 to 1:1 and the composition is clear, concentrated and flowable at and below 25° C. and pH at and below 6.

Claims

1. A surfactant composition comprising:

a. 1 to 20% of at least one fatty acyl isethionate compound;

b. 0.1% to 10% of at least one acyl glycinate compound;

c. 0.1% to 20% of at least one alkyl betaine compound; and

d. 60% to 98.8% of water.

wherein the ratio of fatty acyl isethionate to acyl glycinate and alkyl betaine is in the range of 1;

0.1 to 1;

1. ,

2. The surfactant composition according to claim 1, wherein fatty acyl isethionate compound is selected from the compounds of formula:

R—

CO₂—

(CH₂)_n—

SO₃⁻

M⁺

wherein,

R is an alkyl or alkenyl group of 6 to 26 carbon atoms,

wherein preferably less than 25% of the total fatty acyl isethionate compound consist of fatty acyl group having alkyl chain length of C₁₆ or greater; and

less than 50% of chain length of free fatty acid and fatty acid salt groups combined are of chain length C₁₆ or greater

n is an integer from 2 to 4, preferably 2, and

m is an alkali or alkaline earth metal such as sodium, potassium, lithium, magnesium, ammonium or substituted ammonium.

3. The surfactant composition according to claim 1, wherein acyl glycinate compound is selected from the compounds of formula:

R—

CO—

NH—

CH₂—

COOX

wherein,

R is a straight or branched chain alkyl or alkenyl residue having from 2 to 18 preferably 8 to 18 carbon atoms,

X is hydrogen, an alkali or alkaline earth metal, the ammonium radical, a primary, secondary or tertiary amine group or a hydroxylalkylamine group.

4. The surfactant composition according to claim 1, wherein alkyl betaine compound is selected from the compounds of formula:

R—

N⁺—

(CH₃)₂—

Z⁻

X⁺

Wherein R is a straight or branched chain alkyl or alkenyl residue having from 2 to 18 preferably 8 to18 carbon atoms,

Z is selected from the group consisting of CO₂, SO₃, and PO₂; and

X is hydrogen, an alkali or alkaline earth metal, the ammonium radical, a primary, secondary or tertiary amine group or a hydroxylalkylamine group.

5. The surfactant composition of claim 1, wherein the ratio of alkylbetaine compound to acyl glycinate compound is in a range of 1:

0.1 to 1;

1.

6. The surfactant composition according to claim 1 comprising:

a. 10% of at least one fatty acyl isethionate compound;

b. 2% of at least one acyl glycinate compound;

c. 7% of at least one alkyl betaine compound; and

,

d. 81% of water.

7. The surfactant composition according to claim 1 comprising:

a. 15% of at least one fatty acyl isethionate compound;

b. 5% of at least one acyl glycinate compound;

c. 10% of at least one alkyl betaine compound; and

,

d. 70% of water.

8. The surfactant composition according to claim 1, wherein the fatty acyl isethionate compound is sodium cocoyl isethionate.

9. The surfactant composition according to claim 1, wherein the acyl glycinate compound is sodium cocoyl glycinate.

10. The surfactant composition according to claim 1, wherein the alkyl betaine compound is cocobetaine.

11. The surfactant composition according to claim 1, further comprising one or more of anionic, non-ionic or zwitterionic surfactants.

12. A personal care composition comprising the surfactant composition of claim 1.

13. A household detergent composition comprising the surfactant composition of claim 1.