Method of dissolving and/or inhibiting the deposition of scale on a surface of a system
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United States of America Patent
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Jul 5, 2016
Grant Date -
Oct 18, 2012
app pub date -
Apr 13, 2012
filing date -
Apr 14, 2011
priority date (Note) -
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Abstract
A method of dissolving and/or inhibiting the deposition of scale on a surface of a system comprises the step of bringing the surface of the system into contact with a composition. The composition can comprise from about 3 to about 15 parts by weight of a chelating component. The chelating component is selected from the group of MGDA, NTA, HEDTA, GLDA, EDTA, DTPA, and mixtures thereof. The composition can further comprise from about 3 to about 15 parts by weight of an acidic component, which is different than the chelating component. The composition can further comprise at least about 60 parts by weight of water. Each of the parts by weight ranges above are based on 100 parts by weight of the composition. The composition may further comprise a surfactant component and/or a corrosion inhibitor.
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