| 发明名称 |
Erasable ink composition containing a waterborne polyurethane-urea derived from an aromatic amine dye monomer and marking instrument containing same |
| 摘要 |
An erasable ink composition comprising a waterborne polyurethane-urea containing dye moiety covalently bonded thereto. The ink is intended for use in any of a variety of marking instruments, in particular, a ball-point pen.
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| 申请公布号 |
US5637638(A) |
申请公布日期 |
1997.06.10 |
| 申请号 |
US19950518671 |
申请日期 |
1995.08.24 |
| 申请人 |
BIC CORPORATION |
发明人 |
CHANDLER, WAYNE A.;VILLIGER, DAVID C.;BANNING, JEFFERY H.;CHADWICK, BARRY;WANG, AIYING |
| 分类号 |
C08G18/38;C08G63/685;C09B69/10;C09D11/16;(IPC1-7):C08J3/00;C03C17/00;C08K3/20;C08L75/00 |
主分类号 |
C08G18/38 |
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代理人 |
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