Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using disinfecting or sterilizing substance
Patent
1983-11-02
1986-08-12
Cintins, Ivars
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using disinfecting or sterilizing substance
4227, 4228, 4DIG9, E03D 902, A61L 216
Patent
active
046055347
ABSTRACT:
A process for detecting the depletion of a cleaning and disinfecting ingredient in a solution such as the water present in a toilet tank and bowl. A solid composition comprising a color indicator in a matrix is located in the solution along with the ingredient. The porosity of the solid composition is maintained within limits to provide a means for controlling the rate of release of the color indicator into the solution. The cleaning and disinfecting ingredient has a bleaching tendency relative to the color indicator so that a display of color is minimal or non-existent for as long as significant amounts of the ingredient are present. The color indicator is provided in sufficient amounts so that, when considering the controlled rate of release, there will be continued release of color indicator after depletion of the ingredient. This will then provide a substantial display of color whereby depletion of the ingredient can be detected.
REFERENCES:
patent: 4248827 (1981-02-01), Kitko
patent: 4281421 (1981-08-01), Nyquist et al.
patent: 4353866 (1982-10-01), Wong
Cintins Ivars
Twinoak Products, Inc.
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