| 发明名称 |
POLYTETRAHYDROFURAN DERIVATIVES HAVING TERMINAL AROMATIC GROUPS |
| 摘要 |
Polytetrahydrofuran derivatives of the general formula <IMAGE> I where n is from 2 to 70, X is the bridge member -NH- or -O- and R1 and R4 are each hydrogen or various radicals.
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| 申请公布号 |
US5130454(A) |
申请公布日期 |
1992.07.14 |
| 申请号 |
US19900630013 |
申请日期 |
1990.12.19 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
HICKMANN, ECKHARD;KOEHLER, ULRICH;SIEGEL, HARDO |
| 分类号 |
C08G65/32;C08G65/329 |
主分类号 |
C08G65/32 |
| 代理机构 |
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代理人 |
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