| 发明名称 |
MARKING PARTICLES |
| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide marking particles utilizing a photochromic material addressable by different wavelengths. SOLUTION: The marking particles contain a chelating agent and a spiropyran material of formula (1) or (2) and are prepared by an emulsion aggregation method.</p> |
| 申请公布号 |
JP2003029375(A) |
申请公布日期 |
2003.01.29 |
| 申请号 |
JP20020150673 |
申请日期 |
2002.05.24 |
| 申请人 |
XEROX CORP |
发明人 |
FOUCHER DANIEL A;PATEL RAJ D;CHOPRA NAVEEN;KAZMAIER PETER M |
| 分类号 |
G03C1/00;G03C1/685;G03G9/09;(IPC1-7):G03C1/685 |
主分类号 |
G03C1/00 |
| 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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