Inhibiting corrosion of aluminum on consumer ware washing product using phosphinosuccinic acid oligomers
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United States of America Patent
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May 5, 2015
Grant Date -
Sep 18, 2014
app pub date -
Mar 15, 2013
filing date -
Mar 15, 2013
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Abstract
A dishwashing detergent composition is provided for consumer use for in cleaning of alkaline sensitive metals such as aluminum or aluminum containing alloys. The compositions include alternatives to sodium tripolyphosphate and/or other phosphorus containing raw materials, while retaining cleaning performance and corrosion prevention. According to the invention, a phosphinosuccinic acid oligomer or mixture thereof is used as a corrosion inhibitor and can be included for aluminum protection in a number of different detergent compositions.
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