Washing method

Details Washing method Washing method

2007-04-10

2007-04-10

Carrillo, Sharidan (Department: 1746)

Cleaning and liquid contact with solids

Processes

Using sequentially applied treating agents

C134S002000, C134S003000, C134S028000, C134S042000, C424S661000

Reexamination Certificate

active

11175331

ABSTRACT:
The present invention includes disinfection washing of an object, with a washing solution 1 containing a chlorine-based disinfection detergent, and subsequent acid-washing of the object of washing, with a washing solution 2 adjusted to pH 4 or less by adding a reducing agent to the washing solution 1. This method is applicable as a method of washing artificial hemodialysis instruments used in hospitals etc.

REFERENCES:
patent: 3717580 (1973-02-01), Echols et al.
patent: 4167561 (1979-09-01), Lamberti et al.
patent: 4908215 (1990-03-01), Perlman
patent: 5575945 (1996-11-01), Perlman
patent: 64-1152 (1989-01-01), None
patent: 10-235335 (1998-09-01), None

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