Metal brightener and surface cleaner
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United States of America Patent
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-
Jun 10, 2008
Grant Date -
Nov 17, 2005
app pub date -
May 14, 2004
filing date -
May 14, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a metal brightener and surface cleaner, which provides significant etching of aluminum and other metals, without detrimentally affecting other surfaces such as painted surfaces, glass, rubber and plastic. The inventive composition is especially suited for aluminum brightening for large vehicles, and may be utilized in an alkaline step of a multi-step vehicle wash. One of the exemplary compositions includes an alkali metal hydroxide; a polycarboxylic acid; an alkali metal salt of an organic acid; a first, amphoteric surfactant; a second, betaine surfactant; and a third, nonionic surfactant.
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