1,1,4,4-tetraphenyl-1,3-butadiene derivative and electrophotographic light-sensitive material using the same
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United States of America Patent
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Jun 14, 1988
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N/A
app pub date -
Jun 5, 1987
filing date -
Jun 5, 1986
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Expired
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Abstract
A 1,1,4,4-tetraphenyl-1,3-butadiene derivatives represented by formula (I): ##STR1## wherein R.sub.1 represents a di-lower alkylamino group, and R.sub.2 represents a hydrogen atom or a di-lower alkylamino group, is disclosed, which has useful characteristics such as excellent static charge retention ability. An electrophotographic light-sensitive material using the foregoing derivative can satisfy the requirements, e.g., for high sensitivity, low residual potential, less light fatigue even after repeated use, and excellent durability.
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