Liquid developer including organo titanate charge control agent for electrostatography
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United States of America Patent
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Jan 7, 1997
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N/A
app pub date -
Jul 21, 1995
filing date -
Jan 22, 1993
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Abstract
A liquid developer for electrostatography comprising a silicone fluid, marker particles and a charge control agent which is soluble in the silicone fluid. The charge control agent may be an organo-metallic compound such as an organo titanate selected from tetra-2-ethyl hexyl titanate, tetra-n-butyl titanate and tetra isopropyl titanate. The organo-metallic compound may be present in a range of from 0.01 to 10% by weight of the toner particles, with a preferred range of 0.1 to 2% by weight. A colourant may also be included.
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