Cleaning composition and method

Details Cleaning composition and method Cleaning composition and method

2007-05-22

2007-05-22

Mruk, Brian (Department: 1751)

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

C134S008000, C134S022130, C134S022140, C134S022170, C134S022190, C134S039000, C134S042000, C510S109000, C510S199000, C510S382000, C510S405000

Reexamination Certificate

active

10951153

ABSTRACT:
A novel cleaning composition comprises a dilutant, a wetting agent, a chelating agent, an alkaline builder, and a chlorine provider. The dilutant is preferably water. The wetting agent is alkoxylated alcohol. The chelating agent is an acrylic/maleic acid copolymer. The alkaline builder is sodium hydroxide. The chlorine provider is sodium hypochlorite. A method comprises the steps of partially filling the whirlpool tub with water, activating the whirlpool pump to circulate the water, adding to the circulating water a cleaning composition comprising a dilutant, a wetting agent, a chelating agent, an alkaline builder, and a chlorine provider, running the whirlpool pump for a predetermined time to circulate the water and cleaning composition thoroughly through the internal plumbing, and draining the whirlpool tub completely.

REFERENCES:
patent: 2005/0202996 (2005-09-01), Waits et al.

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