US 11,859,156 B2
Detergent composition
Linsey Sarah Fuller, Newcastle upon Tyne (GB); and Robert William John Sterry, Newcastle upon Tyne (GB)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Jan. 29, 2021, as Appl. No. 17/161,713.
Claims priority of application No. 20155441 (EP), filed on Feb. 4, 2020.
Prior Publication US 2021/0269749 A1, Sep. 2, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 3/30 (2006.01); C11D 3/39 (2006.01); C11D 3/395 (2006.01); C11D 3/37 (2006.01); C11D 1/34 (2006.01); C11D 3/10 (2006.01); C11D 3/386 (2006.01); C11D 1/66 (2006.01); C11D 3/36 (2006.01); C11D 17/04 (2006.01); C11D 11/00 (2006.01)
CPC C11D 3/3792 (2013.01) [C11D 1/34 (2013.01); C11D 1/66 (2013.01); C11D 3/10 (2013.01); C11D 3/361 (2013.01); C11D 3/3723 (2013.01); C11D 3/38609 (2013.01); C11D 3/38618 (2013.01); C11D 3/3902 (2013.01); C11D 3/3905 (2013.01); C11D 3/3951 (2013.01); C11D 17/043 (2013.01); C11D 11/0029 (2013.01); C11D 11/0035 (2013.01)] 7 Claims
 
1. An automatic dishwashing detergent composition comprising:
a) from about 0.5 wt % to about 5 wt % of a quaternized alkoxylated polyalkyleneimine comprising a polyalkyleneimine backbone, alkoxy chains and quaternization groups wherein the quaternized alkoxylated polyalkyleneimine has a degree of quaternization of from about 40% to about 98% and wherein:
i) the polyalkyleneimine backbone represents from about 1% to about 40% by weight of the quaternized alkoxylated polyalkyleneimine;
ii) the alkoxy chains represent from about 60% to about 99% by weight of the quaternized alkoxylated polyalkyleneimine, and wherein the alkoxy chains are selected from polyoxyethylene chains having an average of from about 1 to about 50 ethoxy units, polyoxypropylene chains having an average of from about 0 to about 30 propoxy units and mixtures thereof, and wherein said polyalkyleneimine backbone has a weight-average molecular weight of 600 to 5000 g/mol;
b) from about 5 wt % to about 25 wt % of percarbonate bleach;
c) from about 0.05 to about 10 mg of active amylase/g of the composition and from about 0.05 to about 20 mg of active protease/g of the composition; and
wherein the composition is free of bleach activator and bleach catalyst, or wherein the composition is free of bleach activator and comprises manganese bleach catalyst.