Perfume emanating device

Patent metadata

Field	Value
Publication number	US-11160894-B2
Application number	US-201615762705-A
Country	US
Kind code	B2
Filing date	Sep 30, 2016
Priority date	Oct 2, 2015
Publication date	Nov 2, 2021
Grant date	Nov 2, 2021

Abstract

The present invention relates to the field of perfumery. It relates more particularly to perfume dispensing device. The device of the present invention comprises dispensing means and a liquid composition including a perfume and selected compounds which impacts the fragrance perception diffused in the surrounding air during use.

First claim

The invention claimed is:

1. An air freshener comprising:
a liquid composition, and
dispensing means to dispense fully into the air surrounding the air freshener the composition, wherein the liquid composition comprises:
i) a perfume and
ii) from 0.0005 to 0.2% by weight of the liquid composition of at least one compound according to Formula (IA)

wherein R 1 represents a hydrogen atom or a methyl group;
R 2 represents a pyrazol-5-yl or a pyrazol-4-yl, optionally substituted by one or two methyl groups;
R 3 , when taken separately, represents a hydrogen atom and R 4 , when taken separately, represents hydrogen atom or a methyl or methoxy group; or R 3 and R 4 , when taken together, represent a (CH 2 ) 3 or (OCH 2 O) group;
wherein the air freshener is selected from the group consisting of an aerosol air freshener, an automatic aerosol air freshener spray and a liquid electrical air freshener.

2. The device according to claim 1 , wherein R 1 represents a hydrogen atom.

3. The device according to claim 1 , wherein R 2 represents a 1H-pyrazol-5-yl group.

4. The device according claim 1 , wherein R 3 , when taken separately, represents a hydrogen atom and R 4 , when taken separately, represents a methyl group; or R 3 and R 4 , when taken together, represent a (CH 2 ) 3 group.

5. The device according claim 1 , wherein the at least one compound according to formula (IA) is N-(1H-pyrazol-5-yl)-N-(thiophen-2-ylmethyl)-2-(p-tolyloxy)acetamide.

6. The device according to claim 1 , wherein the liquid composition to be dispensed comprises the perfume in an amount from 99.9995 and 99.0% by weight of the liquid composition.

7. The device according to claim 1 , wherein the ratio between the perfume and the at least one compound according to formula (IA) is between 5000:1 and 50:1.

8. The device according to claim 1 , wherein the liquid composition comprises 3,4-methylenedioxycinnamic acid, N,N-diphenylamide.

Assignees

• Firmenich & Cie

Inventors

• O'Leary Nicholas
• Hurry Simon
• Daugeron-Jouault Aude
• Blumire James

Classifications

• A61L2101/44

  Heterocyclic compounds · CPC title

• A61L2209/21

  Use of chemical compounds for treating air or the like · CPC title

• A61Q15/00

  Anti-perspirants or body deodorants (deodorisation of air A61L9/00) · CPC title

• A61Q13/00

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

• A61K8/046

  Aerosols; Foams · CPC title