Process for treating an aluminum can using a mobility enhancer
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United States of America Patent
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May 5, 1998
Issued Date -
N/A
app pub date -
Jan 21, 1997
filing date -
May 27, 1992
priority date (Note) -
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Abstract
This invention relates to an aqueous composition for use in enhancing the mobility of an aluminum can that is transported along a conveyor or trackwork, said composition comprising water and a mobility enhancing amount of (A) the product made by the reaction of (A)(I) at least one carboxylic acid or acid-producing compound with (A)(II) ammonia, at least one amine, or at least one alkali or alkaline-earth metal. This invention also relates to a process for cleaning an aluminum can wherein the foregoing mobility enhancer is applied to the exterior of an aluminum can during the wash stage, during a conditioning or conversion coating stage, or during one or more rinse stages. The aqueous compositions of the invention containing alkanolamide mobility enhancers also reduce the temperature at which washed cans can be dried.
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