# US 11,028,351 B2 · Unit dose detergent packs with anti-yellowing and anti-efflorescence formulations

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- Number: US 11,028,351 B2
- Document ID: US11028351B2
- Status: Granted
- Kind: B2
- Application number: 16/020,160
- Filed: 2018-06-27
- Published: 2020-01-02
- Granted: 2021-06-08
- Earliest claimed: 2018-06-27
- Assignees: Henkel IP & Holding GmbH
- Applicants: Henkel IP & Holding GmbH
- Inventors: Daniel T. Piorkowski; Casey Camire
- Web page: https://patentgrep.com/patent/US11028351B2

## CPC

- C11D 3/044: {Hydroxides or bases}
- C11D 17/042: {Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions}
- C11D 1/835: Mixtures of non-ionic with cationic compounds
- C11D 3/30: Amines; Substituted amines {; Quaternized amines}
- C11D 1/22: derived from aromatic compounds
- C11D 1/29: Sulfates of polyoxyalkylene ethers
- C11D 1/72: Ethers of polyoxyalkylene glycols
- C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL

## Abstract

A unit dose pack and methods for producing and using the same are provided. In accordance with one embodiment, a unit dose pack includes a container that includes a film. A wash composition is encapsulated within the container, where the wash composition includes an ionic detergent surfactant. The wash composition also includes a neutralizer that includes a metal hydroxide and triethanol amine.

## Claims

### Claim 1

A unit dose pack comprising:
a container, wherein the container comprises a film, and wherein the film is water soluble;
a wash composition encapsulated within the container;
wherein:
the wash composition comprises:
a C12-C15 alcohol ethoxylate in an amount of about 23.1 weight percent;
propylene glycol in an amount of about 8 weigh percent;
an optical brightener in an amount of about 0.2 weight percent;
glycerin in an amount of about 9.2 weight percent;
polyethylene glycol in an amount of about 17.7 weight percent;
a bittering agent in an amount of about 0.013 weight percent;
alcohol ether sulfate in an amount of about 13.5 weight percent;
sodium hydroxide in an amount of about 0.28 weight percent;
triethanol amine in amount of about 1.06 weight percent;
coconut fatty acids in an amount of about 4 weight percent;
polyethoxylated polyethyleneimine in an amount of about 1.6 weight percent;
an enzyme in an amount of about 1.5 weight percent; and
water,
where all weight percents are based on the total weight of the wash composition.

### Claim 2 (depends on 1)

The unit dose pack of claim 1 wherein the water is present in the wash composition in an amount of from about 5 to about 35 weight percent, based on the total weight of the wash composition.

### Claim 3 (depends on 1)

The unit dose pack of claim 1 wherein the water is present in the wash composition in an amount of from about 10 to about 25 weight percent, based on the total weight of the wash composition.

### Claim 4 (depends on 1)

The unit dose pack of claim 1 wherein the wash composition is free of a dye or pigment.

### Claim 5 (depends on 1)

The unit dose pack of claim 1 wherein the wash composition is free of a linear alkyl benzene sulfonic acid.

### Claim 6 (depends on 1)

The unit dose pack of claim 1 wherein the wash composition has a pH of from about 6 to about 10.

### Claim 7 (depends on 1)

The unit dose pack of claim 1, wherein the film comprises polyvinyl alcohol.

### Claim 8 (depends on 7)

The unit dose pack of claim 7, wherein the film is free of efflorescence solids.