发明名称 |
Electrographic toner and developer composition containing quaternary ammonium salt charge-control agent |
摘要 |
The present invention relates to the use of quaternary ammonium salt as a charge-control agent for electrostatic toner contained in a dry developer composition. The dry, particulate, electrostatic toner composition of the present invention comprises (a) a polymeric binder and (b) a charge-control agent comprising an N-benzyl quaternary ammonium salt, wherein the benzyl ring contains at least one substituent with a Hammett substituent constant that is greater than zero.
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申请公布号 |
US4684596(A) |
申请公布日期 |
1987.08.04 |
申请号 |
US19860829878 |
申请日期 |
1986.02.18 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
BONSER, STEVEN M.;BUGNER, DOUGLAS E.;DEMEJO, LAWRENCE P. |
分类号 |
G03G9/097;(IPC1-7):G03G9/10 |
主分类号 |
G03G9/097 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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