Alkali metals and their hydrides as catalysts in amine condensation,申请号US19490133483-传众专利搜索

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发明名称	Alkali metals and their hydrides as catalysts in amine condensation
摘要
申请公布号	US2501556(A)	申请公布日期	1950.03.21
申请号	US19490133483	申请日期	1949.12.16
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	WHITMAN GERALD M.
分类号	C07C209/60	主分类号	C07C209/60
代理机构		代理人
主权项
地址

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