METAL SURFACE CLEANER AND METHOD FOR CLEANING METAL PARTS
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United States of America Patent
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Issued Date -
Jun 26, 2008
app pub date -
Aug 29, 2007
filing date -
Dec 22, 2006
priority date (Note) -
Abandoned
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Abstract
A surface cleaner for metal parts (e.g., steel articles) is an aqueous solution, which contains a component of phosphoric acid (H.sub.3PO.sub.4) from approximately 15 wt % (percent by weight) to approximately 25 wt %, a measurable component of ferrous ions (Fe.sup.2+) less than about 5 wt %, and water. Due to the beneficial composition of the surface cleaner, contaminants (e.g., oils, lubrications, and rust) can easily be removed from the surfaces of the metal parts, especially steel parts.
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