Polishing compound
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United States of America Patent
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Sep 23, 2008
Grant Date -
Dec 21, 2006
app pub date -
Jun 20, 2005
filing date -
Jun 20, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A cleaning and polishing composition contains mineral spirits, a first abrasive component of particles having a median size in a range of 1-4 microns, a second abrasive component of particles having a median size in a range of 15-30 microns and a fatty acid. The composition is a free flowing liquid having the viscosity of mineral spirits and has the ability to provide a long lasting finish. After cleaning and polishing an aluminum surface and after several weeks of rough use, the surface may be washed and looks like a newly polished surface. A preferred composition is 85-90% mineral spirits, balance stearic acid and aluminum oxide. The median particle size of the abrasive is less than about six microns and a sizeable fraction is below one micron.
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