Coating oil having improved electrocoat compatibility
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United States of America Patent
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Mar 19, 1991
Grant Date -
N/A
app pub date -
Aug 15, 1989
filing date -
Aug 15, 1989
priority date (Note) -
Expired
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Abstract
Coating oil compositions are provided which contain an oil-soluble metal petroleum sulfonate, an oxidate ester, an organic acid ester, and a hydrocarbon oil. The coating oils are highly effective for preventing rust and corrosion of both ferrous and non-ferrous metals but are particularly advantageous for application to metal sheet which is subsequently to be electrocoated. Coating oils formulated in accordance with the present invention exhibit improved electrocoat compatibility.
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