Liquid, phosphate-free single phase degreasing compositions
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United States of America Patent
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Jul 4, 1989
Grant Date -
N/A
app pub date -
Mar 18, 1988
filing date -
Mar 19, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Liquid phosphate-free single phase degreasing compositions for aluminum surfaces containing one or more builders, sequestrants and surfactants in aqueous alkaline solution, particularly containing alkali metal and/or ammonium carbonate, alkali metal and/or ammonium hydrogen carbonate, one or more acrylic polymers, optionally one or more other complexing agents which complement or partly replace the acrylic polymers, one or more anionic or nonionic surfactants, optionally other active substances and/or auxiliaries of the type normally used in degreasing compositions and water.
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