US 12,187,981 B2
Dissolvable toilet brush formulations with desiccant and dye system to indicate cleaning
Daniel Thomas Piorkowski, Fairfield, CT (US)
Assigned to HENKEL AG & CO. KGAA, Düsseldorf (DE)
Filed by Henkel AG & Co. KGaA, Düsseldorf (DE)
Filed on Aug. 26, 2022, as Appl. No. 17/897,039.
Prior Publication US 2024/0067898 A1, Feb. 29, 2024
Int. Cl. C11D 1/00 (2006.01); C11D 1/14 (2006.01); C11D 3/08 (2006.01); C11D 3/10 (2006.01); C11D 3/20 (2006.01); C11D 3/40 (2006.01); C11D 17/00 (2006.01)
CPC C11D 1/143 (2013.01) [C11D 3/08 (2013.01); C11D 3/10 (2013.01); C11D 3/2086 (2013.01); C11D 3/40 (2013.01); C11D 17/0056 (2013.01); C11D 2111/14 (2024.01)] 20 Claims
OG exemplary drawing
 
1. A dissolvable solid unit dose toilet cleaning composition comprising:
an anionic surfactant;
a carbonate or bicarbonate salt;
an organic acid;
a dye system comprising a desiccant and a water-soluble dye; and
virgin soap pellets comprising at least one monovalent salt of a monocarboxylic fatty acid in an amount of from 5 wt % to 50 wt %, based on the total weight of the unit dose toilet cleaning composition,
wherein at least 30% of the total weight of the unit dose toilet cleaning composition dissolves when submerged in water for 10 minutes.