Conjugated organic compounds and preparation process
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United States of America Patent
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Feb 16, 1999
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N/A
app pub date -
Oct 3, 1997
filing date -
Oct 3, 1996
priority date (Note) -
Expired
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Abstract
The invention relates to conjugated compounds of general formula (I) ##STR1## wherein X.sub.1 and X.sub.2 are, independently of one another, electron-withdrawing or electron-donating systems, and to a process for the preparation of these compounds. The invention also relates to any material which includes the compounds of general formula I and to the use of said compounds or of any material which includes them in electronic, optoelectronic, nonlinear optical and electrooptical devices.
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