Process for the production of decorated tableware with increased resistance to scratches caused by cutlery and coloring substance therefor
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United States of America Patent
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-
May 16, 2000
Grant Date -
N/A
app pub date -
Oct 5, 1998
filing date -
Oct 4, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The resistance of tableware decorations to cutlery abrasion traces can be increased by using, in the production of the decoration, a decoration coloring substance containing a pigment and a glass flux with the characteristics profile according to the invention: the pigment of the decoration coloring substance has an average grain diameter equal to or less than 2 .mu.m, and the glass flux of the decoration coloring substance has a density equal to or less than 2.6 g/cm.sup.3 and a hemisphere temperature less than 930.degree. C.
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Cited Art Landscape
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