# US 2019/0169551 A1 · Processes of making liquid detergent compositions that include certain alkoxylated pei polymers

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- Number: US 2019/0169551 A1
- Document ID: US20190169551A1
- Status: Published application
- Kind: A1
- Application number: 15/828,983
- Filed: 2017-12-01
- Published: 2019-06-06
- Earliest claimed: 2017-12-01
- Assignees: The Procter & Gamble Company
- Applicants: The Procter & Gamble Company
- Inventors: Zhe XIANG
- Web page: https://patentgrep.com/patent/US20190169551A1

## CPC

- C11D 11/0082: {one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads}
- C11D 1/143: {Sulfonic acid esters}
- C11D 1/146: {Sulfuric acid esters}
- C11D 3/3723: {Polyamines or polyalkyleneimines}
- C11D 3/38663: {Stabilised liquid enzyme compositions}
- C11D 3/395: Bleaching agents
- C11D 3/42: Brightening agents {; Blueing agents}
- C11D 11/0094: {Process for making liquid detergent compositions, e.g. slurries, pastes or gels}
- C11D 13/10: Mixing; Kneading
- C11D 17/08: Liquid soap, {e.g. for dispensers}; capsuled
- C11D 2111/44: Multi-step processes
- C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL

## Abstract

Processes of making liquid detergent compositions that include certain alkoxylated polyethyleneimine (PEI) polymers.

## Claims

### Claim 1

A process of making a liquid detergent composition, the process comprising the steps of:
providing a manufacturing line comprising, in series and in fluid communication, an upstream region, a confluence region, and a downstream region;
providing a liquid base composition at the upstream region,
the liquid base composition comprising at least one surfactant and at least one detergent adjunct; and
combining the liquid base composition with an alkoxylated polyethyleneimine (PEI) polymer in the confluence region, thereby resulting in a detergent composition at the downstream region,
wherein the alkoxylated PEI polymer comprises, on an average molar basis, from about 5 to about 50 ethoxy (EO) groups per alkoxylated nitrogen, and from about 1 to about 20 propoxy (PO) groups per alkoxylated nitrogen.

### Claim 2 (depends on 1)

A process according to claim 1, wherein the process further comprises adding one or more additional detergent adjuncts to the liquid base composition, the detergent composition, or both.

### Claim 3 (depends on 1)

A process according to claim 1, wherein the at least one detergent adjunct comprises a builder, an organic polymeric compound, an enzyme, an enzyme stabilizer, a bleach system, a brightener, a hueing agent, a chelating agent, a suds suppressor, a conditioning agent, a humectant, neat perfume, encapsulated benefit agents, a filler or carrier, or mixtures thereof.

### Claim 4 (depends on 1)

A process according to claim 1, wherein the liquid base composition comprises from about from about 1% to about 75%, by weight of the liquid base composition, of surfactant.

### Claim 5 (depends on 1)

A process according to claim 1, wherein the surfactant comprises anionic surfactant selected from alkyl alkoxylated sulfate, alkyl sulfate, alkyl benzene sulphonate, or mixtures thereof.

### Claim 6 (depends on 5)

A process according to claim 5, wherein the surfactant comprises alkyl ethoxylated sulfate and alkyl benzene sulphonate.

### Claim 7 (depends on 1)

A process according to claim 1, wherein the alkoxylated PEI polymer is combined with the liquid base composition in an amount suitable to provide from about 0.01% to about 5%, by weight of the final detergent composition.

### Claim 8 (depends on 1)

A process according to claim 1, wherein the alkoxylated PEI polymer comprises a PEI backbone characterized by a weight average molecular weight, prior to alkoxylation, of from about 200 to about 1500.

### Claim 9 (depends on 1)

A process according to claim 1, wherein the alkoxylated PEI polymer comprises, on an average molar basis, from about 10 to about 50, or from about 15 to about 40, or from about 20 to about 30 ethoxy (EO) groups per alkoxylated nitrogen.

### Claim 10 (depends on 1)

A process according to claim 1, wherein the alkoxylated PEI polymer comprises, on an average molar basis, from about 1 to about 50, or from about 5 to about 40, or from about 10 to about 30 propoxy (PO) groups per alkoxylated nitrogen.

### Claim 11 (depends on 1)

A process according to claim 1, wherein the alkoxylated PEI polymer comprises alkoxylate units having an inner EO block and an outer PO block.

### Claim 12 (depends on 11)

A process according to claim 11, wherein the inner EO block comprises from about 10 to about 50 EO groups, and wherein the outer PO block comprises from about 1 to about 50 PO groups.

### Claim 13 (depends on 1)

A process according to claim 1, wherein the average molar ratio of EO groups to PO groups is from about 0.5 to about 5.

### Claim 14 (depends on 1)

A process according to claim 1, wherein the detergent composition comprises the alkoxylated PEI polymer and at least a second alkoxylated PEI polymer.

### Claim 15 (depends on 1)

A process according to claim 1, wherein the second alkoxylated PEI polymer is an ethoxylated PEI polymer.

### Claim 16 (depends on 1)

A process according to claim 1, wherein the liquid base composition further comprises a PEI polymer, where the PEI polymer is the same as or is different from the alkoxylated PEI polymer of claim 1.

### Claim 17 (depends on 1)

A process according to claim 1, wherein the process further comprises a filling step, wherein the detergent composition is placed into a container at a location further downstream of the downstream region, preferably wherein the filling step occurs less than about 10 minutes after the alkoxylated PEI polymer is added to the liquid base composition.

### Claim 18 (depends on 1)

A process according to claim 1,
wherein a first amount of the liquid base composition is provided at the upstream region and the detergent composition is a first detergent composition, and
wherein the process further comprises the steps of
providing a second amount of the liquid base composition at the upstream region of the manufacturing line, and
combining the liquid base composition with at least one additional detergent adjunct, resulting in a second detergent composition at the downstream region, wherein none of the alkoxylated PEI polymer is affirmatively added to second detergent composition.

### Claim 19 (depends on 18)

The process of claim 18, wherein at least a portion of the manufacturing line is flushed with a flowable/liquid composition between making the first detergent composition and the second detergent composition.

### Claim 20 (depends on 18)

The process according to claim 18, wherein at least a portion of the flowable/liquid composition is captured after being flushed through the manufacturing line, and optionally is combined with the liquid base composition and/or the second detergent composition.
