US 11,834,625 B2
Cleaning agent portion for automatic dishwashers
Michael Kreis, Leverkusen (DE); Thomas Paulus, Duesseldorf (DE); and Thomas Doering, Dormagen (DE)
Assigned to Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed on Dec. 19, 2019, as Appl. No. 16/720,217.
Claims priority of application No. 102018222240.1 (DE), filed on Dec. 19, 2018.
Prior Publication US 2020/0199487 A1, Jun. 25, 2020
Int. Cl. C11D 3/20 (2006.01); C11D 17/00 (2006.01); C11D 1/08 (2006.01); C11D 1/722 (2006.01); C11D 3/08 (2006.01); C11D 3/10 (2006.01); C11D 3/37 (2006.01); C11D 17/04 (2006.01); C11D 3/04 (2006.01); C11D 1/66 (2006.01)
CPC C11D 1/08 (2013.01) [C11D 1/66 (2013.01); C11D 1/722 (2013.01); C11D 3/046 (2013.01); C11D 3/08 (2013.01); C11D 3/10 (2013.01); C11D 3/2082 (2013.01); C11D 3/3761 (2013.01); C11D 17/0078 (2013.01); C11D 17/0091 (2013.01); C11D 17/042 (2013.01)] 13 Claims
 
1. A cleaning agent for removing limescale and fats deposited on an automatic dishwasher machine comprising a water-soluble wrapping forming a single chamber and at least one composition, the composition comprising at least
i) a buffer system consisting of at least one acid and at least one base corresponding to the acid, characterized in that the composition comprises at least two parts, at least one part A being a compressed part and at least one part B being a non-compressed part or a compressed part, the compressed part B being compressed to a lesser extent than part A; wherein the non-compressed part is in the form of a gel, powder, or granule, and the at least one acid of the buffer system is contained in at least one part B in an amount of 80 to 100 wt % based on the amount of acid in total composition, or wherein the at least one base of the buffer system is contained in the at least one part B in an amount of 40 to 75 wt % based on the total amount of based in the total composition,
wherein the at least one part A and the at least one part B have a weight ratio of 1:3 to 1:7;
wherein the at least one part A dissolves in a delayed manner with respect to the at least one part B; and
wherein the composition is encapsulated in the single chamber of the wrapping.