# US 11,439,724 B2 · Device for adsorbing odours

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- Number: US 11,439,724 B2
- Document ID: US11439724B2
- Status: Granted
- Kind: B2
- Application number: 16/909,053
- Filed: 2020-06-23
- Published: 2020-12-03
- Granted: 2022-09-13
- Earliest claimed: 2016-07-26
- Assignees: Institute Curie; Ecole Superieure De Physique Et De Chimie Industrielle (ESPCI); Ecole Nationale Superieure De Chimie De Paris (ENSCP); Centre National De La Recherche Scientifique; Cemag Care
- Applicants: Institut Curie; Ecole Superieure de Physique et de Chimie Industrielle (ESPCI); Ecole Nationale Superieure de Chimie de Paris (ENSCP); Centre National de la Recherche Scientifique; Cemag Care
- Inventors: Aurélie Thuleau; Isabelle Fromantin; Vincent Semetey; José Dugay; Jean-François Le Meur
- Web page: https://patentgrep.com/patent/US11439724B2

## CPC

- A61L 15/40: containing ingredients of undetermined constitution or reaction products thereof {, e.g. plant or animal extracts}
- A61L 9/012: characterised by being in a special form, e.g. gels, emulsions {(A61L9/048 takes precedence)}
- A61L 9/013: containing animal or plant extracts, or vegetable material
- A61L 15/46: Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
- A23L 27/00: Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
- A61L 2300/20: containing or releasing organic materials
- A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K)
- A23L: FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF (preservation thereof A23B)

## Abstract

The invention relates to a device for adsorbing odours comprising an absorbent layer and an adsorbent layer, said adsorbent layer being provided with a material permeable to volatile organic compounds (VOCs) and an adsorbent particulate filler comprising at least one spice. Such a device is particularly useful for adsorbing and masking body odours.

## Claims

### Claim 1

A device for adsorbing odours comprising an absorbent layer and an adsorbent layer, said adsorbent layer being provided with a material permeable to volatile organic compounds (VOCs) and an adsorbent particulate filler comprising at least one spice, wherein the material permeable to VOCs is a woven or nonwoven fabric and the at least one spice is maintained in powder form within the material permeable to VOCs.

### Claim 2 (depends on 1)

The device for adsorbing odours according to claim 1, wherein the at least one spice is selected from cinnamon, turmeric and clove.

### Claim 3 (depends on 1)

The device for adsorbing odours according to claim 1, wherein the odours are body odours.

### Claim 4 (depends on 1)

The device for adsorbing odours according to claim 1, wherein the adsorbent particulate filler has an average particle size comprised between 700 and 900 μm.

### Claim 5 (depends on 1)

The device for adsorbing odours according to claim 1, comprising between 00.5 and 5 g of spices per 100 cm2 of the material permeable to VOCs.

### Claim 6 (depends on 1)

The device for adsorbing odours according to claim 1, wherein the material permeable to VOCs is selected from nylon, cotton, linen, viscose, polyethylene, polypropylene, and polyester.

### Claim 7 (depends on 1)

The device for adsorbing odours according to claim 1, wherein the material permeable to VOCs has geometric shapes in which the adsorbent particulate filler is able to be contained.

### Claim 8 (depends on 1)

The device for adsorbing odours according to claim 1, wherein the absorbent layer comprises at least one permeable or semipermeable material.

### Claim 9 (depends on 1)

The device for adsorbing odours according to claim 1, further comprising a protective layer sandwiched between the absorbent layer and the adsorbent layer.

### Claim 10 (depends on 1)

The device for adsorbing odours according to claim 1, further comprising a second absorbent layer, wherein the adsorbent layer is sandwiched between the absorbent layer and the second absorbent layer.

### Claim 11 (depends on 1)

The device for adsorbing odours according to claim 1, in the form of a dressing.

### Claim 12 (depends on 1)

The device for adsorbing odours according to claim 1, in the form of a diaper, sanitary protection, absorbent pad, or panty liner.

### Claim 13 (depends on 1)

The device for adsorbing odours according to claim 1, wherein the at least one spice is cinnamon.

### Claim 14 (depends on 1)

The device for adsorbing odours according to claim 1, wherein the adsorbent particulate filler has an average particle size comprised between 40 and 100 μm.

### Claim 15 (depends on 1)

The device for adsorbing odours according to claim 1, wherein the adsorbent particulate filler has an average particle size comprised of less than 1000 μm.

### Claim 16 (depends on 8)

The device for adsorbing odours according to claim 8, wherein the at least one permeable or semi-permeable material is selected from alginates, carboxymethylcellulose (CMC), and hydrophilic cotton.