发明名称 |
COMPOSITION AND USE |
摘要 |
A toner resin composition comprising a toner resin and a negative charging charge control agent (CCA) which is a di- or trivalent metal salt of a naphthalene oxy-carboxylic acid wherein the hydroxy group and carboxylic acid group are attached to adjacent carbon atoms of an aromatic ring. The CCA is preferably the zinc, aluminium or iron salt of 3-hydroxy-2-naphthoic acid.
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申请公布号 |
CA2156254(A1) |
申请公布日期 |
1994.10.13 |
申请号 |
CA19942156254 |
申请日期 |
1994.03.29 |
申请人 |
ZENECA LIMITED |
发明人 |
CAMPBELL, JAMES STANLEY;GREGORY, PETER |
分类号 |
G03G9/087;G03G9/097;(IPC1-7):G03G9/097;G03G9/08 |
主分类号 |
G03G9/087 |
代理机构 |
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代理人 |
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