IP Library › Granted Patent US 12,740,899
Granted Patent B2
US 12,740,899 · App. 17/634,378 · Granted Sep 22, 2026

Personal hygiene product

Inventors: Suzanne Burn Lees (Goole, GB); Ross Sellars (Goole, GB); Ryan Michael McDonald (Goole, GB)
Assignee: Croda International Plc
A61F13/51113A61L15/20A61L15/28A61L15/44A61F2013/51117A61F2013/51411A61L2300/216
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Quick Facts
Patent No.
US 12,740,899
App. No.
17/634,378
Granted
Sep 22, 2026
Kind
B2
Abstract

The present invention relates to skin care additive which comprises a diester skin care additive which is the reaction product of a fatty alkoxylated ester and a straight, branched or aromatic polyol or poly acid, where the skin care additive provides improved wet lubricancy and/or reduced skin irritancy. More especially, there is provided a personal hygiene product treated with the skin care additive, as such the invention also relates to providing the care additive as a coating on a personal hygiene product. The present invention may also provide use of such a personal hygiene product comprising said skin care additive to prevent or alleviate dermatitis, and in particular nappy rash.

Claims (21)

1 . A personal hygiene product comprising at least a first layer having a top surface and a bottom surface, wherein at least the first layer comprises a skin care additive,

wherein the skin care additive is a diester which is di-PPG-2 myreth-10 adipate,

wherein the personal hygiene product is not wetted before application to the skin,

wherein the diester skin care additive is present in an amount of between 1 weight % and 2 weight % relative to the layer(s) containing the diester skin care additive, and

wherein the at least first layer is formed from a nonwoven textile.

2 . The personal hygiene product according to claim 1 , further comprising at least a second layer having a top surface and a bottom surface.

3 . The personal hygiene product according to claim 1 , further comprising a solvent or diluent.

4 . The personal hygiene product according to claim 1 , further comprising an additional additive.

5 . The personal hygiene product according to claim 1 , further comprising a stabiliser.

6 . The personal hygiene product according to claim 1 , wherein the skin care additive is present on at least the top surface of the first layer.

7 . The personal hygiene product according to claim 2 , wherein the skin care additive is present on at least the top surface of the second layer.

8 . The personal hygiene product according to claim 1 , wherein the personal hygiene product further comprises a sealing means having a top surface and a bottom surface, and wherein the sealing means comprises a coating comprising the skin care additive, and the coating is present on at least the top surface of the sealing means.

9 . The personal hygiene product according to claim 2 , further comprising at least one absorbent layer interposed between the first layer and the second layer, such that the personal hygiene product is an absorbent hygiene product.

10 . The personal hygiene product according to claim 2 , wherein the second layer is an air permeable waterproof layer.

11 . The personal hygiene product according to claim 1 , wherein the personal hygiene product is a diaper or pad.

12 . The personal hygiene product according to claim 1 , wherein skin exposed to the personal hygiene product for a 24-hour period showed a reduction in skin friction compared to a personal hygiene product not containing the skin care additive di-PPG-2-myreth-10 adipate.

13 . The personal hygiene product according to claim 1 , wherein skin exposed to the personal hygiene product for a 24-hour period showed a reduction in trans-epidermal water loss (TEWL) compared to a personal hygiene product not containing the skin care additive di-PPG-2-myreth-10 adipate.

14 . The personal hygiene product according to claim 1 , wherein the personal hygiene product is in a dry state when applied to the skin.

15 . The personal hygiene product according to claim 1 , wherein the personal hygiene product is in prolonged contact with the skin.

16 . A method to prevent or alleviate dermatitis, comprising administering to a subject in need thereof the personal hygiene product according to claim 1 .

17 . A method to prevent or alleviate bed sores, comprising administering to a subject in need thereof the personal hygiene product according to claim 1 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 5, 2022
From: LEES, SUZANNE BURN; SELLARS, ROSS; MCDONALD, RYAN MICHAEL
To: CRODA INTERNATIONAL PLC
Reel/Frame 061318/0433 →
Priority Claims (1)
GB 1911568 · Aug 13, 2019 · national
Continuity (1)
Related Publication 20220323269A1 · Oct 13, 2022
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