Organic nonlinear optical material
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United States of America Patent
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May 12, 1992
Grant Date -
N/A
app pub date -
Apr 5, 1990
filing date -
Apr 28, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed are an organic nonlinear optical material comprising a 4-nitrophenylaminoacetaldehyde acetal represented by the following general formula: ##STR1## and a polymeric organic nonlinear optical material comprising an acetalized polyvinyl alcohol having the above-mentioned 4-nitrophenylaminoacetaldehyde acetal as the side chain.
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