| 发明名称 |
TWO STEP PREPARATION OF RANDOM POLYOXADIAZOLE COPOLYMER AND ARTICLES RESULTING THEREFROM |
| 摘要 |
In a preparation of random polyoxadiazole copolymer by reaction of a mixture of oleum, hydrazine sulfate, terephthalic acid, and isophthalic acid, the improvement requires the addition of oleum in more than one step. |
| 申请公布号 |
WO2007133409(A3) |
申请公布日期 |
2008.01.10 |
| 申请号 |
WO2007US10029 |
申请日期 |
2007.04.26 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY;LEE, KIU-SEUNG;SMITH, JR., HARRY, LEE |
发明人 |
LEE, KIU-SEUNG;SMITH, JR., HARRY, LEE |
| 分类号 |
C08G73/00;C08G73/08;C08G73/22 |
主分类号 |
C08G73/00 |
| 代理机构 |
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代理人 |
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