US 12,258,543 B2
Cleaning composition comprising bacterial spores
Neil Joseph Lant, Newcastle (GB); and Katherine Esther Latimer, Newcastle (GB)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Jun. 1, 2022, as Appl. No. 17/829,405.
Claims priority of application No. 21186295 (EP), filed on Jul. 19, 2021.
Prior Publication US 2023/0039859 A1, Feb. 9, 2023
Int. Cl. C11D 1/00 (2006.01); C11D 3/08 (2006.01); C11D 3/10 (2006.01); C11D 3/38 (2006.01); C11D 3/39 (2006.01); C11D 3/395 (2006.01); C11D 3/48 (2006.01)
CPC C11D 3/3905 (2013.01) [C11D 1/00 (2013.01); C11D 3/08 (2013.01); C11D 3/10 (2013.01); C11D 3/381 (2013.01); C11D 3/3902 (2013.01); C11D 3/3917 (2013.01); C11D 3/48 (2013.01)] 11 Claims
 
1. A solid cleaning composition comprising:
i) from about 5% to about 25% by weight of the composition of a hydrogen peroxide source, wherein the hydrogen peroxide source comprises sodium percarbonate;
ii) from 1% to about 10% by weight of the composition of a bleach activator, wherein the bleach activator comprises tetraacetylethylenediamine (TAED);
from about 1×102 to about 1×1011 CFU/g of bacterial spores, wherein the bacterial spores comprise bacteria from the genus Bacillus; and
wherein the solid composition has a pH of from 10 to 11 as measured in 1% weight/volume aqueous solution in distilled water at 20° C.