发明名称 |
Microcapsules having a wall of polyisocyanate/quanidine reaction products |
摘要 |
<p>Microcapsules with walls comprising or contg. reaction prods. (A) of guanidine cpds. (B) and polyisocyanates (C). Also claimed are (i) the prepn. of the microcapsules, and (ii) carbon-free carbon paper contg. microencapsulated dye precursors in which the microcapsule walls comprise (A).</p> |
申请公布号 |
EP0727251(A3) |
申请公布日期 |
1997.01.22 |
申请号 |
EP19960100155 |
申请日期 |
1996.01.08 |
申请人 |
BAYER AG |
发明人 |
NEHEN, ULRICH, DR.;WEISSER, JUERGEN, DR. |
分类号 |
A01N25/28;B01J13/16;B41M5/165;C08G18/08;C08G18/30;C08G18/38;(IPC1-7):B01J13/16 |
主分类号 |
A01N25/28 |
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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