| 发明名称 |
Acetylation of crude reaction products containing polymeric colorants |
| 摘要 |
Acetylation of residual primary and secondary alkyl amine groups in polymeric colorants, when said colorants are in the form of a crude preparation reaction mixture, is disclosed. The acetylation improves the colorants' water solubility.
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| 申请公布号 |
US4302399(A) |
申请公布日期 |
1981.11.24 |
| 申请号 |
US19800128718 |
申请日期 |
1980.03.10 |
| 申请人 |
DYNAPOL |
发明人 |
DAWSON, DANIEL J.;WINGARD, ROBERT E.;CROSBY, GUY A. |
| 分类号 |
C09B5/14;C09B69/10;(IPC1-7):C09B1/40;C09B5/42;C09B43/12;C09B51/00 |
主分类号 |
C09B5/14 |
| 代理机构 |
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代理人 |
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| 主权项 |
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