Method of preparing a shaped article having a photochromic coating thereon
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United States of America Patent
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May 30, 2000
Grant Date -
N/A
app pub date -
Dec 11, 1998
filing date -
Dec 11, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A method of preparing a shaped article having a photochromic coating thereon, and curable photochromic powder coating compositions are described. The method includes: applying at least one curable powder coating composition to at least a portion of the interior of a mold, e.g., a lens mold, wherein at least one of the applied powder coating compositions includes a photochromic amount of photochromic material; curing at least partially the applied photochromic powder coating; charging a polymerizable organic casting composition into the mold; polymerizing the casting composition; and removing a shaped article having a photochromic coating on at least a portion of its surface from the mold.
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