| 发明名称 |
RECORD MATERIAL |
| 摘要 |
<p>A colour developer for use in a pressure- or heatsensitive record material comprises a particulate composite having as components hydrated zirconia and at least one of hydrated silica and hydrated alumina.</p> |
| 申请公布号 |
CA1185090(A) |
申请公布日期 |
1985.04.09 |
| 申请号 |
CA19820416841 |
申请日期 |
1982.12.02 |
| 申请人 |
WIGGINS TEAPE GROUP LIMITED (THE) |
发明人 |
SHANTON, KENNETH J. |
| 分类号 |
B41M5/155;(IPC1-7):B41M5/16;B41M5/18;B41M5/22 |
主分类号 |
B41M5/155 |
| 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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