发明名称 |
Quaternary ammonium salts as charge-control agents for toners and developers |
摘要 |
New electrostatographic toners and developers are provided containing charge-control agents comprising certain quaternary ammonium salts having good thermal stability and good charging characteristics. The quaternary ammonium salts are: N-[(3,5-di-tert-alkyl-4-hydroxybenzoyloxy)alkyl]ammonium salt or a quaternary N-[(3,5-di-tert-alkyl-4-hydroxybenzoyloxy)aryl]ammonium salt having the structure: <IMAGE> wherein the substituents are as defined herein.
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申请公布号 |
US5516616(A) |
申请公布日期 |
1996.05.14 |
申请号 |
US19940361343 |
申请日期 |
1994.12.21 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
WILSON, JOHN C.;TYAGI, DINESH |
分类号 |
G03G9/097;(IPC1-7):G03G9/097 |
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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