Liquid electrostatic developer containing multiblock polymers
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United States of America Patent
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Sep 18, 1990
Grant Date -
N/A
app pub date -
Mar 31, 1989
filing date -
Mar 31, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Liquid electrostatic developer consisting essentially of A. nonpolar liquid having Kauri-butanol value less than 30, present in major amount, B. thermoplastic resin particles, average by area particle size less than 10 .mu.m, consisting essentially of mixture (1) 80-95% by weight thermoplastic resin and (2) 20 to 5% by weight multiblock copolymer compound as defined, and C. charge director compound. The process of preparation is also defined. The said developer is useful in copying, making proofs, including digital color proofs, lithographic printing plates, and resists.
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