Process of treating aqueous heating media in heating systems, and composition
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United States of America Patent
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Dec 1, 1981
Issued Date -
N/A
app pub date -
Jul 26, 1974
filing date -
Apr 5, 1969
priority date (Note) -
Expired
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Abstract
Scale formation as well as corrosion are suppressed by adding amino methylene phosphonic acids, hydroxy alkane diphosphonic acids, amino alkane diphosphonic acids, polyhydroxy acids, their alkali metal salts, or mixtures thereof to the aqueous heating medium of heating systems used for heat treating, such as sterilizing and pasteurizing, goods enclosed in glass, metal, and the like containers.
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