	US 11,685,881 B2
	Electrolytic system for automatic dishwashing
Alias Younis Al-Bayati, Heidelberg (DE); Callum Couser, Heidelberg (DE); Gerhard Kammerer, Heidelberg (DE); and Jorg Peter Pflug, Heidelberg (DE)
Assigned to Reckitt Benckiser Finish B.V., Hoofddorp (NL)
Appl. No. 16/464,800
Filed by Reckitt Benckiser Finish B.V., Hoofddorp (NL)
PCT Filed Nov. 28, 2017, PCT No. PCT/EP2017/080635 § 371(c)(1), (2) Date May 29, 2019, PCT Pub. No. WO2018/099903, PCT Pub. Date Jun. 7, 2018.
Claims priority of application No. 1620479 (GB), filed on Dec. 2, 2016.
Prior Publication US 2019/0313879 A1, Oct. 17, 2019
Int. Cl. A47L 15/00 (2006.01); C11D 11/00 (2006.01); A47L 15/42 (2006.01); C11D 3/386 (2006.01); C11D 3/395 (2006.01); C25B 1/34 (2006.01); C25B 9/17 (2021.01)

CPC C11D 11/0023 (2013.01) [A47L 15/0007 (2013.01); A47L 15/0015 (2013.01); A47L 15/0055 (2013.01); A47L 15/4238 (2013.01); C11D 3/386 (2013.01); C11D 3/3953 (2013.01); C25B 1/34 (2013.01); C25B 9/17 (2021.01); A47L 2601/03 (2013.01); A47L 2601/06 (2013.01)]

4 Claims

1. A method of automatic dishwashing of dishware comprising

a bleaching step and a subsequent enzymatic step, wherein the bleaching step consists of:

providing an electrochemical cell;

a step of electrolytically generating a bleaching species by electrolyzing a solution in the electrochemical cell, wherein the solution consists of sodium chloride, sodium hydroxide, and water at a concentration ranging from at least 2 wt % up to 40 wt %, at a temperature no higher than 40° C., the solution being alkaline and having a pH in a range from 8-10; and

washing the dishware with the electrolyzed solution; and

the subsequent enzymatic step comprising:

washing the dishware with a a bleach free composition comprising an enzyme comprising one or both of an amylase and a protease.