Colored corundum composite and processes for its production and its use
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United States of America Patent
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-
Oct 26, 1993
Grant Date -
N/A
app pub date -
Jul 8, 1992
filing date -
Jul 25, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Colored corundum composite with a matrix of .alpha.-Al.sub.2 O.sub.3, as formed by sol-gel process ending in sintering and size reduction steps with addition of oxide pigments (or precursors of such oxide pigments, formable to the oxide pigment in sinter heating) added to the sol before full gelation thereof.
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