Composition for removing scale from a surface comprising alpha-hydroxy carboxylic acid and thickener
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United States of America Patent
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Jun 17, 1986
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N/A
app pub date -
Aug 24, 1983
filing date -
Aug 24, 1983
priority date (Note) -
Expired
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Abstract
The present invention is directed to a composition which includes an aliphatic alpha-hydroxy carboxylic acid, a gum or polymeric thickener which is soluble in water at a pH of about 3 or less and optionally sodium silicate. The composition may be employed in removing scale from a surface.
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