发明名称 |
Pyrazino pyrazine compounds as catalysts for preparing urethanes |
摘要 |
The reaction between a hydroxyl-containing material and an isocyanate-containing material is catalyzed by a pyrazino pyrazine compound such as 1,4,5,8-tetramethyldecahydropyrazino(2,3-b)pyrazine.
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申请公布号 |
US4528391(A) |
申请公布日期 |
1985.07.09 |
申请号 |
US19830555761 |
申请日期 |
1983.11.28 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
TREYBIG, DUANE S.;POTTER, JAMES L. |
分类号 |
C07D487/04;C08G18/20;(IPC1-7):C07C125/073 |
主分类号 |
C07D487/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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