Method of preventing glaze defects
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United States of America Patent
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Feb 21, 1989
Grant Date -
N/A
app pub date -
Sep 16, 1987
filing date -
Sep 19, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of preventing glaze defects occurring when using pigments which are provided by inclusion in zirconium silicate (zircon) comprises the incorporation into the glaze composition of an additive which is zirconium oxide, zirconium silicate, arsenic trioxide, antimony trioxide, ceric oxide, or a mixture thereof, or a precursor therefor in an amount sufficient to reduce or prevent glaze defects.
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