Caustic cleaning composition having low freezing point
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United States of America Patent
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Aug 24, 1999
Grant Date -
N/A
app pub date -
Jun 12, 1997
filing date -
Jun 12, 1997
priority date (Note) -
Expired
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Abstract
The caustic cleaner of the present invention has a freezing point of no more than about 40.degree. F. The caustic cleaner is a mixture of aqueous sodium hydroxide and an organic salt derived from the reaction of sodium hydroxide and gluconic acid at elevated temperatures.
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