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1. (WO2019045958) POWDER LAUNDRY DETERGENT FORMULATION
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We claim:

1. A powder laundry detergent formulation, comprising:

5 to 50 wt% of a detergent surfactant;

25 to 80 wt% of a builder;

0.01 to 1 wt% of a polyethylene oxide having a weight average molecular weight, Mw, of 750,000 Daltons to 10,000,000; and

0.01 to 5 wt% of a poly(acrylic acid) having a weight average molecular weight, Mw, of 1,000 to 20,000.

2. The powder laundry detergent formulation of claim 1, containing 0.05 to 0.5 wt% of the polyethylene oxide having a weight average molecular weight, Mw, of 2,000,000 to 8,000,000 Daltons.

3. The powder laundry detergent formulation of claim 2, containing 0.05 to 0.5 wt% of the polyethylene oxide having a weight average molecular weight, Mw, of 4,000,000 to 6,000,000.

4. The powder laundry detergent formulation of claim 1, containing 0.1 to 4 wt% of the poly(acrylic acid) having a weight average molecular weight, Mw, of 2,500 to 6,000.

5. The powder laundry detergent formulation of claim 4, containing 0.1 to 4 wt% of the poly(acrylic acid) having a weight average molecular weight, Mw, of 2,500 to 6,000.

6. The powder laundry detergent formulation of claim 5, wherein the detergent surfactant is a linear alkylbenzenesulfonate.

7. The powder laundry detergent formulation of claim 6, wherein the detergent surfactant is a linear C 10-20 alkylbenzenesulfonate.

8. A method of cleaning a textile, comprising:

providing a textile;

providing a wash water;

providing a rinse water;

providing a powder laundry detergent according to claim 1 ;

mixing the powder laundry detergent and the wash water to form a laundry liquor; treating the textile with the laundry liquor; and

rinsing the textile with the rinse water.

9. The method of cleaning a textile of claim 8, wherein the textile is treated with the laundry liquor by hand- washing.

10. The method of claim 9, wherein the powder laundry detergent is mixed with the wash water at a weight ratio of 1: 100 to 1:1,000.