Translucent high-temperature powder coatings
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United States of America Patent
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Jun 19, 2001
Grant Date -
N/A
app pub date -
Apr 9, 1999
filing date -
Apr 9, 1999
priority date (Note) -
Expired
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Abstract
Coating powders are provided which provide high-temperature, translucent coatings useful for light-emitting devices such as incandescent bulbs. The coating powders comprise a binder, at least 90 wt % up to 100 wt % of which is a silicone resin. The coating powders are filled with between about 10 and about 50 phr of fillers selected from the group consisting of needle-like calcium metasilicate, mica, rod-like glass particles, and mixtures thereof, the fillers having aspect ratios between about 8 and about 40.
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