| 发明名称 |
Decolorization of oligomers |
| 摘要 |
Methods of producing decolorized homo- and co-polymers through polymerization of monomers in presence of cobalt-complexed tetraphenyl porphyrin derivatives and decolorization of the produced polymer by exposing the polymer to a sorbent and, optionally, a solvent are disclosed herein.
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| 申请公布号 |
US7507786(B2) |
申请公布日期 |
2009.03.24 |
| 申请号 |
US20060595449 |
申请日期 |
2006.11.09 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
WAYLAND BRADFORD B.;LU ZHI;GRIDNEV ALEXEI A.;DARLING THOMAS ROBERT |
| 分类号 |
C08F6/00;C08F4/80 |
主分类号 |
C08F6/00 |
| 代理机构 |
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代理人 |
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