Photochromic material for electro-optic storage memory
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United States of America Patent
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Dec 8, 1998
Grant Date -
N/A
app pub date -
Dec 22, 1995
filing date -
Dec 22, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to the field of photochromic material, in particular of photochromic compounds and matrices suitable for use in optical memory systems, including three dimensional optical memory systems for computers, multimedia applications and the like. The photochromic compounds have the following formula: ##STR1## wherein the substituents are defined in the specification.
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