# US 10,765,613 B2 · Stable lotion emulsion composition and wet wipe

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- Number: US 10,765,613 B2
- Document ID: US10765613B2
- Status: Granted
- Kind: B2
- Application number: 14/867,059
- Filed: 2015-09-28
- Published: 2016-03-31
- Granted: 2020-09-08
- Earliest claimed: 2014-09-30
- Assignees: The Procter & Gamble Company
- Applicants: The Procter & Gamble Company
- Inventors: Randall Glenn Marsh
- Web page: https://patentgrep.com/patent/US10765613B2

## CPC

- A61K 8/37: Esters of carboxylic acids
- A47K 10/32: Dispensers for paper towels or toilet paper
- A61K 8/0208: {Tissues; Wipes; Patches}
- A61K 8/06: Emulsions
- A61K 8/368: with carboxyl groups directly bound to carbon atoms of aromatic rings
- A61K 8/4973: {with oxygen as the only hetero atom}
- A61K 8/73: Polysaccharides
- A61Q 19/005: {Preparations for sensitive skin}
- A61Q 19/10: Washing or bathing preparations
- B08B 1/143: {Wipes}
- A47K 2010/3266: {Wet wipes}
- A61K 2800/87: Application Devices; Containers; Packaging
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A47K: SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. TOILET ACCESSORIES
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- B08B: CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL

## Abstract

A lotion emulsion composition comprising a preservative enhancing agent and a rheology modifier, wherein the preservative enhancing agent comprises one of sorbitan caprylate, glyceryl caprylate/caprate, or a combination thereof, the rheology modifier comprises a hydrocolloid, the pH of the lotion emulsion composition is less than about 4.2, and the combined amount of preservative enhancing agent and rheology modifier is less than about 0.3% by weight of the total lotion emulsion composition.

## Claims

### Claim 1

A wet wipe comprising a substrate and a lotion emulsion composition; the lotion emulsion composition comprising from about 0.05% to about 0.29% of a preservative enhancing agent and from about 0.01% to about 0.06% of a rheology modifier, wherein:
a. the preservative enhancing agent is sorbitan caprylate and/or glyceryl caprylate/caprate;
b. the rheology modifier is xanthan gum
c. the pH of the lotion emulsion composition is less than about 4.2;
d. the combined amount of preservative enhancing agent and rheology modifier is less than about 0.3% by weight of the total lotion emulsion composition; and
e. the lotion emulsion composition comprises greater than about 97% water;
wherein the substrate comprises at least 70% synthetic fibers, by weight of the substrate, and at least 20% natural fibers, by weight of the substrate;
wherein the synthetic fibers are selected from the group consisting of polyethylene terephthalate, polypropylene, and combinations thereof; and
wherein the lotion has an average drying rate of greater than about 6.5% mass/min based on the Lotion Drying Rate Method.

### Claim 2 (depends on 1)

The wet wipe of claim 1, wherein the lotion emulsion composition is stable based on the Lotion Stability Test Method.

### Claim 3 (depends on 1)

The wet wipe of claim 1, wherein the amount of rheology modifier is about 0.06% by weight of the lotion.

### Claim 4 (depends on 1)

The wet wipe of claim 1, wherein the amount of preservative enhancing agent is about 0.2% by weight of the lotion.

### Claim 5 (depends on 1)

The wet wipe of claim 1, further comprising a perfume.

### Claim 6 (depends on 1)

The wet wipe of claim 1, further comprising an emollient.

### Claim 7 (depends on 1)

The wet wipe of claim 1, further comprising a chelating agent.

### Claim 8 (depends on 1)

The wet wipe of claim 1, further comprising an organic acid or a salt of an organic acid.

### Claim 9 (depends on 8)

The wet wipe of claim 8, wherein the salt of the organic acid is sodium benzoate.

### Claim 10 (depends on 1)

An article of commerce comprising a container housing one or more of said wet wipes of claim 1.

### Claim 11 (depends on 1)

A method of cleaning the skin comprising the step of contacting said skin with said wet wipe of claim 1.