IP Library › Granted Patent US 11,638,426
Granted Patent B2
US 11,638,426 · App. 16/755,653 · Granted May 2, 2023

Liquid concentrate for preservation

Inventor: Stefan Sakulowski (Norderstedt, DE)
Assignee: ASHLAND INDUSTRIES EUROPE GMBH
A01N37/10A01N25/04A01N25/34A01N31/02A61K8/34
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Quick Facts
Patent No.
US 11,638,426
App. No.
16/755,653
Granted
May 2, 2023
Kind
B2
Abstract

The invention relates to a composition, which comprises: a)—From 15 weight % to 25 weight % of 1,2-octanediol, b)—From 15 weight % to 25 weight % of benzoic acid, c)—From 50 weight % to 70 weight % of propylene glycol, wherein the content of aromatic alcohol is less or equal to 5 weight % relative to the weight of the liquid concentrate; its use of a composition, for the preservation of cosmetics products, household products or technical products.

Claims (26)

1. A liquid concentrate comprising:

a) from 15 weight % to 25 weight of 1,2-octanediol,

b) from 15 weight % to 25 weight % of benzoic acid, and

c) from 50 weight % to 70 weight % of propylene glycol,

wherein the composition is free from aromatic alcohol,

and wherein the weight ratio 1,2-octanediol/propylene glycol is greater or equal to 0.2 or less or equal to 0.5.

2. The liquid concentrate according to claim 1 , which is free from water.

3. The liquid concentrate according to claim 1 , wherein the weight ratio 1,2-octanediol/benzoic acid is equal to 1.

4. The liquid concentrate according to claim 1 , wherein the weight ratio benzoic acid/propylene glycol is greater or equal to 0.2 and less or equal to 0.5.

5. The liquid concentrate according to claim 1 , which consists of, for 100% of its weight:

a) from 15 weight % to 25 weight % of 1,2-octanediol,

b) from 15 weight % to 25 weight % of benzoic acid, and

c) from 50 weight % to 70 weight % of propylene glycol.

6. The liquid concentrate according to claim 5 , wherein the weight ratio 1,2-octanediol/benzoic acid is equal to 1.

7. The liquid concentrate according to claim 1 , comprising:

a) 20 weight % of 1,2-octanediol,

b) 20 weight % of benzoic acid, and

c) 60 weight % of propylene glycol.

8. A method of using the liquid concentrate according to claim 1 as a disinfectant or preservative, the method comprising adding an efficient amount of the liquid concentrate to cosmetics products, household products or technical products for the purpose of disinfecting or preserving the cosmetics products, household products or technical products.

9. The method of claim 8 wherein the liquid concentrate is added to wet wipes for the preservation of the wet wipes.

10. The method of claim 8 wherein the composition is added to the cosmetics products, household products or technical products during the preparation of the cosmetics products, household products or technical products.

11. A liquid concentrate comprising:

a) from 15 weight % to 25 weight of 1,2-octanediol,

b) from 15 weight % to 25 weight % of benzoic acid, and

c) from 50 weight % to 70 weight % of propylene glycol,

wherein the composition is free from aromatic alcohol.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 19, 2023
From: ASHLAND SPECIALTIES DEUTSCHLAND GMBH
To: ASHLAND INDUSTRIES EUROPE GMBH
Reel/Frame 062434/0916 →
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 Apr 13, 2020
From: SAKULOWSKI, STEFAN
To: SCHÜLKE & MAYR GMBH
Reel/Frame 052377/0051 →
Priority Claims (1)
EP 17197082 · Oct 18, 2017 · regional
Continuity (1)
Related Publication 20210368791A1 · Dec 2, 2021