Photochromic optical element
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United States of America Patent
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Issued Date -
Aug 4, 2005
app pub date -
Dec 17, 2004
filing date -
Jan 30, 2004
priority date (Note) -
Abandoned
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Abstract
Described are optical elements made of a substrate having connected thereto an at least partial film of photochromic adhesive and an at least partial film of a polymeric organic material. Also described are optical elements made of a substrate having connected thereto an at least partial superstrate of a photochromic composite of a film of a first polymeric organic material and a film of a second polymeric organic material having an at least partial film of a photochromic adhesive placed between the films of first and second polymeric organic materials. Methods to prepare the optical elements are also described.
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