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.
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 代理人
主权项
地址