Low-molecular gelling agent as fragrant substance dispensing system

Patent metadata

Field	Value
Publication number	US-12441963-B2
Application number	US-202017781381-A
Country	US
Kind code	B2
Filing date	Dec 15, 2020
Priority date	Dec 20, 2019
Publication date	Oct 14, 2025
Grant date	Oct 14, 2025

Abstract

A perfume oil storage composition may include at least one low-molecular gelling agent, at least one perfume oil and water, the low-molecular gelling agent forming a dispersed phase together with the perfume oil. Furthermore, a method may include treating surfaces and/or textile washing and/or textile care with the perfume oil storage composition.

First claim

The invention claimed is:

1. A perfume oil storage composition comprising:
at least one low-molecular gelling agent;
at least one perfume oil; and
water,
wherein the composition is a dispersion, the dispersed phase of which comprises the at least one low-molecular gelling agent and the at least one perfume oil, and
wherein the at least one low-molecular gelling agent is selected from the group consisting of:
A) compounds selected from the group consisting of benzylidene alditols of formula (I):

wherein
each * represents a covalent single bond between an oxygen atom of the alditol backbone and the provided group;
n is 0 or 1;
m is 0 or 1;
R 1 , R 2 and R 3 are each, independently, hydrogen, halogen, C 1 -C 4 alkyl, cyano, nitro, amino, carboxyl, hydroxyl, —C(═O)—NH—NH 2 , —NH—C(═O)—(C 2 -C 4 alkyl), C 1 -C 4 alkoxy, or (C 1 -C 4 alkoxy) (C 2 -C 4 alkyl), wherein two of R 1 , R 2 and R 3 are capable of forming, together with the remainder of the molecule, a 5-membered or 6-membered ring; and
R 4 , R 5 and R 6 are each, independently, hydrogen, halogen, C 1 -C 4 alkyl, cyano, nitro, amino, carboxyl, hydroxyl, —C(═O)—NH—NH 2 , —NH—C(═O)—(C 2 -C 4 alkyl), C 1 -C 4 alkoxy, or (C 1 -C 4 alkoxy) (C 2 -C 4 alkyl), wherein two of R 4 , R 5 and R 6 are capable of forming, together with the remainder of the molecule, a 5-membered or 6-membered ring;
B) hydrogenated castor oil;
C) compounds selected from the group consisting of diarylamidocystines of formula (II):

wherein
each X′ is, independently, hydrogen or an equivalent of a cation; and
R 1 , R 2 , R 3 and R 4 are each, independently, hydrogen, halogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 2 -C 4 hydroxyalkyl, hydroxyl, amino, —N—(C 1 -C 4 alkyl), —N,N-di(C 1 -C 4 alkyl) amino, —N—(C 2 -C 4 hydroxyalkyl) amino, or —N,N-di(C 2 -C 4 hydroxyalkyl) amino,
or R 1 with R 2 or R 3 with R 4 forms a 5- or 6-membered annulated ring, which can optionally be substituted with at least one group selected from the group consisting of C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 2 -C 4 hydroxyalkyl, hydroxyl, amin, —N—(C 1 -C 4 alkyl) amino, —N,N-di(C 1 -C 4 alkyl) amino, —N—(C 2 -C 4 hydroxyalkyl) amino, and —N,N-di(C 2 -C 4 hydroxyalkyl) amino;
D) compounds selected from the group consisting of N-alkylgluconamides of formula (III):

wherein
R 1 is linear or branched, substituted or unsubstituted C 4 -C 12 alkyl, wherein each substituent is independently selected from the group consisting of F, Cl, Br and I; and
R 2 is hydrogen or a substituted or unsubstituted benzoyl group, wherein each substituent is independently selected from the group consisting of F, Cl, Br, I, C 1 -C 3 alkyl and C 1 -C 3 alkoxy;
E) compounds selected from the group consisting of 2,5-diketopiperazines of formula (IV):

wherein
R 1 , R 2 , R 3 and R 4 are each, independently, hydrogen, hydroxyl, (C 1 -C 6 ) alkyl, (C 2 -C 6 ) alkenyl, (C 2 -C 6 ) acyl, (C 2 -C 6 ) acyloxy, (C 1 -C 6 ) alkoxy, amino, (C 2 -C 6 ) acylamino, (C 1 -C 6 ) alkylaminocarbonyl, aryl, aroyl, aroyloxy, aryloxy, aryl-(C 1 -C 4 ) alkyloxy, aryl-(C 1 -C 3 ) alkyl, heteroaryl, heteroaryl-(C 1 -C 3 ) alkyl, (C 1 -C 4 ) hydroxyalkyl, (C 1 -C 4 ) aminoalkyl, or carboxy-(C 1 -C 3 ) alkyl, wherein at least two of R 1 , R 2 , R 3 and R 4 are capable of forming, together with the remainder of the molecule, a 5-membered or 6-membered ring; and
R 5 is hydrogen, linear (C 1 to C 6 ) alkyl, branched (C 3 to C 10 ) alkyl, (C 3 to C 6 ) cycloalkyl, (C 2 -C 6 ) alkenyl, (C 2 -C 6 ) alkynyl, (C 1 -C 4 ) hydroxyalkyl, (C 1 -C 4 ) alkoxy-(C 1 -C 4 ) alkyl, (C 1 -C 4 ) acyloxy-(C 1 -C 4 ) alkyl, aryloxy-(C 1 -C 4 ) alkyl, O-(aryl-(C 1 -C 4 ) alkyl)oxy-(C 1 -C 4 ) alkyl, (C 1 -C 4 ) alkylsulfanyl-(C 1 -C 4 ) alkyl, aryl group, aryl-(C 1 -C 3 ) alkyl, heteroaryl, heteroaryl-(C 1 -C 3 ) alkyl, (C 1 -C 4 ) hydroxyalkyl, (C 1 -C 4 ) aminoalkyl, —N—(C 1 -C 4 ) alkylamino-(C 1 -C 4 ) alkyl, —N,N—(C 1 -C 4 ) dialkylamino-(C 1 -C 4 ) alkyl, —N—(C 2 -C 8 ) acylamino-(C 1 -C 4 ) alkyl, —N—(C 2 -C 8 ) acyl-N—(C 1 -C 4 ) alkylamino-(C 1 -C 4 ) alkyl, —N—(C 2 -C 8 ) aroyl-N—(C 1 -C 4 ) alkylamino-(C 1 -C 4 ) alkyl, —N,N—(C 2 -C 8 ) diacylamino-(C 1 -C 4 ) alkyl, —N-(aryl-(C 1 -C 4 )alkyl)amino-(C 1 -C 4 ) alkyl, —N,N-di(aryl-(C 1 -C 4 )alkyl)amino-(C 1 -C 4 ) alkyl, (C 1 -C 4 ) carboxyalkyl, (C 1 -C 4 ) alkoxycarbonyl-(C 1 -C 3 ) alkyl, (C 1 -C 4 ) acyloxy-(C 1 -C 3 ) alkyl, guanidino-(C 1 -C 3 ) alkyl, aminocarbonyl (C 1 -C 4 ) alkyl, —N—(C 1 -C 4 ) alkylaminocarbonyl-(C 1 -C 4 ) alkyl, —N,N-di ((C 1 -C 4 )alkyl)aminocarbonyl-(C 1 -C 4 ) alkyl, —N—(C 2 -C 8 ) acylaminocarbonyl-(C 1 -C 4 ) alkyl, —N,N—(C 2 -C 8 ) diacylaminocarbonyl-(C 1 -C 4 ) alkyl, —N—(C 2 -C 8 ) acyl-N—(C 1 -C 4 ) alkylaminocarbonyl-(C 1 -C 4 ) alkyl, —N-(aryl-(C 1 -C 4 ) alkyl) aminocarbonyl-(C 1 -C 4 ) alkyl, —N-(aryl-(C 1 -C 4 ) alkyl)-N—(C 1 -C 6 ) alkylaminocarbonyl-(C 1 -C 4 ) alkyl or —N,N-di(aryl-(C 1 -C 4 )alkyl)aminocarbonyl-(C 1 -C 4 ) alkyl group; and
F) compounds selected from the group consisting of glucosamines of formula (V):

wherein
R 1 is a vinyl containing group; and
R 2 is hydrogen or a substituted or unsubstituted C 1 -C 10 hydrocarbon group.

2. The perfume oil storage composition of claim 1 , wherein the dispersed phase is in the form of particles, and wherein the at least one low-molecular gelling agent forms a matrix or shell enclosing the at least one perfume oil.

3. The perfume oil storage composition according to of claim 1 , wherein:
i) the at least one low-molecular gelling agent is present in an amount ranging from about 0.1 wt. % to about 20 wt. %, based on the total weight of the composition,
(ii) the at least one perfume oil is contained in an amount ranging from about 1 wt. % to about 50 wt. %, based on the total weight of the composition, or
both (i) and (ii).

4. The perfume oil storage composition according to of claim 1 , wherein the composition further comprises at least one additional ingredient selected from the group consisting of a surfactant, a thickener, a dye, a rheology modifier, and any combination thereof.

5. The perfume oil storage composition of claim 4 , wherein:
the surfactant is selected from the group consisting of sodium dodecyl sulfate (SDS), cetyltrimethylammonium bromide (CTAB), cetyltrimethylammonium chloride (CTAC), 1-acetoxy-2-stearoyloxyethane (AGS), sodium taurocholate, polysorbate 80 (Tween 80), sorbitan monolaurate (Span 20), and any combination thereof;
the surfactant is present in the composition in an amount ranging from about 0.01 wt. % to about 15 wt. %, based on the total weight of the composition;
the thickener is selected from the group consisting of xanthan gum, sodium hyaluronate, polyvinyl alcohol (PVA 80), lecithin, guar, alginate, starch, cellulose 2-hydroxyethyl 2-[2-hydroxy-3-(trimethylammonio)-propoxy]ethyl 2-hydroxy-3-(trimethylammonio) propyl ether chloride, and any combination thereof; and/or
the thickener is present in the composition in an amount ranging from about 0.2 wt. % to about 5 wt. %, based on the total weight of the composition.

6. The perfume oil storage composition of claim 1 , wherein the at least one low-molecular gelling agent is selected from the group consisting of

Assignees

• Henkel Ag & Co Kgaa

Inventors

• Yapici Filiz
• Schmiedel Peter
• Torun Boray
• Bedrunka Danuta
• Harms Daniel
• Hesami Mahdis
• Von Kathen Anja

Classifications

• D06M13/005

  Compositions containing perfumes; Compositions containing deodorants · CPC title

• A61Q13/00

  Formulations or additives for perfume preparations (essential oils or perfumes per se C11B9/00) · CPC title

• A61K8/922

  of vegetable origin · CPC title

• A61K8/11

  Encapsulated compositions · CPC title

• A61K8/062

  Oil-in-water emulsions · CPC title