Compositions – Electrolytes for electrical devices
Patent
1990-05-04
1991-12-31
Lieberman, Paul
Compositions
Electrolytes for electrical devices
252 99, 252135, 252162, 252163, 252170, 252173, 25217421, 25217422, 25218635, C11D 754, C11D 718, C11D 738, C11D 756
Patent
active
050769529
ABSTRACT:
The application is directed to an aqueous liquid automatic dishwasher detergent composition containing a dual bleach system. The composition contains a chlorine bleach source and a bromide compound. The bromide compound is insoluble or only sparingly soluble in the aqueous product liquid composition. The chlorine bleach source can be a hypochlorite compound or a chlorine compound that reacts with water to form hypochlorite. In the wash bath at higher temperature and high volume of water the bromide compound dissolves and then reacts with a portion of the hypochlorite to form hypobromite. The active ingredients of the dual bleach system are the remaining unreacted hypochlorite and the hypobromite which provide improved cleaning performance against both proteinaceous and starchy carbohydrate soils. The aqueous liquid compositions are easily pourable and readily dispersed in the wash bath. The dishwasher detergent composition includes a surfactant, detergent builders, silicates, alkaline reagents, foam depressant and thickening agents. The aqueous liquid compositions of the present invention provide improved cleaning of dishware, glassware, china and the like, particularly in hard water, and in storage remain stable against phase separation.
REFERENCES:
patent: 3519569 (1970-07-01), Diez
patent: 3983079 (1976-09-01), Spadini et al.
patent: 4102799 (1978-07-01), Finck
patent: 4421669 (1983-12-01), Brichard
patent: 4522739 (1985-06-01), Gray
Ahmed Fahm U.
Bochis Kathleen
Grill Murray
Lieberman Paul
Nansfeldt Richard E.
Parks William S.
Sullivan Robert C.
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