# US 11,078,444 B2 · Laundry composition

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,078,444 B2
- Document ID: US11078444B2
- Status: Granted
- Kind: B2
- Application number: 16/634,694
- Filed: 2018-07-23
- Published: 2020-07-16
- Granted: 2021-08-03
- Earliest claimed: 2017-08-02
- Assignees: Conopco, lnc
- Applicants: Conopco, Inc.
- Inventors: Karl Burgess; Shaun Charles Walsh
- Web page: https://patentgrep.com/patent/US11078444B2

## CPC

- C11D 3/3707: {Polyethers, e.g. polyalkyleneoxides}
- C11D 1/008: {Polymeric surface-active agents}
- C11D 1/72: Ethers of polyoxyalkylene glycols
- C11D 3/222: {Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin}
- C11D 3/50: Perfumes
- C11D 3/505: {encapsulated or adsorbed on a carrier, e.g. zeolite or clay}
- C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL

## Abstract

A composition comprising a plurality of particles, wherein said particles comprise: a) 10 to 60 w.t. % polyethylene glycol, wherein the polyethylene glycol has a weight average molecular weight from 4000 to 12000; b) 0.1 to 50 w.t. % polysaccharide; c) 0.1 to 50 w.t. % ethoxylated non-ionic surfactant having a general formula: R1O(R2O)xH R1=a saturated fatty alcohol or polypropylene glycol. R2=C2H4 or mixture of C2H4 and C3H6x=8 to 120 and having a melting point between 40 and 60° C.; and d) 0.1 to 30 w.t. % perfume materials.

## Claims

### Claim 1

A composition comprising a plurality of particles, wherein said particles comprise:
a. 10 to 60 w.t %, polyethylene glycol, wherein the polyethylene glycol has a weight average molecular weight from 4000 to 12000;
b. 0.1 to 50 w.t % polysaccharide;
c. 0.1 to 50 w.t %, ethoxylated non-ionic surfactant having a general formula:
R1O(R2O)xH
R1=a saturated fatty alcohol or polypropylene glycol
R2=C2H4 or mixture of C2H4 and C3H6 units
x=8 to 120
and having a melting point between 40 and 60° C.; and
d. 0.1 to 30 w.t % perfume materials.

### Claim 2 (depends on 1)

The composition according to claim 1, wherein the ethoxylated non-ionic surfactant is an ethoxylated alcohol having a general formula:
R1O(R2O)xH
R=a saturated fatty alcohol
x=8 to 120
and having a melting point between 40 and 60° C.

### Claim 3 (depends on 1)

The composition according to claim 1, wherein the saturated fatty alcohol is selected from: linear C12 to C20 fatty alcohols and mixtures thereof.

### Claim 4 (depends on 1)

The composition according to claim 1, wherein x is 25 to 90.

### Claim 5 (depends on 1)

The composition according to claim 1, wherein the polysaccharide comprises glucose units.

### Claim 6 (depends on 1)

The composition according to claim 1, wherein the polysaccharide comprises starch.

### Claim 7 (depends on 1)

The composition according to claim 1, wherein the composition comprises 0.1 to 15 w.t % free perfume.

### Claim 8 (depends on 1)

The composition according to claim 1, wherein the composition comprises 0.1 to 15 w.t % of particle perfume microcapsules.

### Claim 9 (depends on 1)

The composition according to claim 1, wherein the perfume materials comprise both free perfume and perfume microcapsules.

### Claim 10 (depends on 1)

The composition according to claim 1, wherein the perfume comprise friable perfume microcapsules.

### Claim 11 (depends on 1)

The composition according to claim 1, wherein the particles are pastilles.

### Claim 12 (depends on 1)

The composition according to claim 1, wherein the particles have a maximum dimension less than 10 mm.

### Claim 13 (depends on 1)

The composition according to claim 1, wherein the particles further comprise 0.001 to 2 w.t % colourant.

### Claim 14 (depends on 1)

The composition according to claim 1, wherein the particle is homogeneously structured.

### Claim 15

A method to impart fragrance to a laundered fabric comprising the step of contacting the laundered fabric with a composition comprising particles, the particles comprising:
a. 10 to 60 w.t %, polyethylene glycol, wherein the polyethylene glycol has a weight average molecular weight from 4000 to 12000;
b. 0.1 to 50 w.t % polysaccharide;
c. 0.1 to 50 w.t %, ethoxylated non-ionic surfactant having a general formula:
R1O(R2O)xH
R1=a saturated fatty alcohol or polypropylene glycol
R2=C2H4 or mixture of C2H4 and C3H6 units
x=8 to 120
and having a melting point between 40 and 60° C.; and
d. 0.1 to 30 w.t % perfume materials.