IP Library › Granted Patent US 8,841,349
Granted Patent B2
US 8,841,349 · App. 11/003,280 · Granted Sep 23, 2014

Stabilize compositions based on monoalkyl glycerol ethers and aromatic alcohols

Inventors: Wolfgang Beilfuss (Hamburg, DE); Ralf Gradtke (Tornesch, DE); Petra Kolditz (Hamburg, DE); Klaus Weber (Hamburg, DE)
Assignee: Air Liquide Sante (International)
A01N31/02
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Quick Facts
Patent No.
US 8,841,349
App. No.
11/003,280
Granted
Sep 23, 2014
Kind
B2
Abstract

A stabilizer composition having (a) one or more 1- or 2-(C 1 - to C 24 -alkyl) glycerol ethers (glycerol monoalkyl ethers) and (b) a mixture of at least two different aromatic alcohols (b1, b2) chosen from the groups of i) aryloxyalkanols, ii) arylalkanols and iii) oligoalkanol aryl ethers, where the two different aromatic alcohols belong to different groups i), ii) and iii).

Claims (13)

1. A method which may be used for stabilizing cosmetic products with a composition, said method comprising:

combining said composition with said cosmetic products, wherein said composition comprises:

a) from 5% to 15% by weight 1-(2-ethylhexyl) glycerol ether;

b) from 95% to 85% by weight of a mixture selected from the group consisting of:

b1) phenoxy ethanol and b2) benzyl alcohol, and

b1) phenoxy propanol and b2) benzyl alcohol; and

c) vitamin E,

wherein a) and b) are present in a weight ratio a)/b) of less than 0.15, and

wherein b1 and b2 are present in a weight ratio b1/b2 of between 1/2 and 2/1.

2. The method of claim 1 , wherein said composition comprises: a) about 10%, by weight, of 1-(2-ethylhexyl) glycerol ether; and b) about 90%, said mixture of phenoxy ethanol and benzyl alcohol.

3. The method of claim 1 , wherein said ratio is less than about 0.13.

4. The method of claim 3 , wherein said ratio is between about 0.05 and about 0.12.

5. The method of claim 4 , wherein said ratio is about 0.11.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 6, 2022
From: SCHÜLKE & MAYR GMBH
To: ASHLAND SPECIALTIES DEUTSCHLAND GMBH
Reel/Frame 061386/0406 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 3, 2019
From: AIR LIQUIDE SANTE INTERNATIONAL
To: SCHULKE & MAYR GMBH
Reel/Frame 049343/0148 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 3, 2004
From: BEILFUSS, WOLFGANG; GRADTKE, RALF; KOLDITZ, PETRA; WEBER, KLAUS
To: AIR LIQUIDE SANTE (INTERNATIONAL)
Reel/Frame 016062/0506 →
Priority Claims (1)
DE 103 56 846 · Dec 5, 2003 · national
Continuity (1)
Related Publication 20050154067A1 · Jul 14, 2005