| 发明名称 |
DECOLORIZATION OF HYDROXY-CONTAINING METHACRYLATE HOMOPOLYMERS AND COPOLYMERS |
| 摘要 |
This invention relates to a process whereby hydroxy-containing methacrylate homo- and copolymers are decolorized by the addition of a strong acid and a chelating bidentate nitrogen ligand, with subsequent filtering through a polar adsorption medium.
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| 申请公布号 |
CA2278021(C) |
申请公布日期 |
2007.07.03 |
| 申请号 |
CA19982278021 |
申请日期 |
1998.01.22 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
GRIDNEV, ALEXEI ALEXEYEVICH |
| 分类号 |
C08F6/08;C08F6/00;C08F6/02 |
主分类号 |
C08F6/08 |
| 代理机构 |
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