Non-stick cooking utensil
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United States of America Patent
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Nov 13, 2012
Grant Date -
May 8, 2008
app pub date -
Sep 24, 2004
filing date -
Feb 2, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a non-stick cooking utensil, wherein protrusions are arranged on interior wall of the utensil to form a non-smooth surface, said protrusion has a height of 20-999 μm and a projection area of 314-783431 μm2 with respect to the interior surface of the utensil, the protrusions are so distributed that the total projection area of protrusions on the surface of the interior wall is about 10%-60% of the surface area, a coating film is formed on said non-smooth surface with protrusions. As compared with utensils with smooth surface, the sticking intensity and stickiness between foods and the utensil of present invention may be decreased by 60%-80%.
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