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发明名称
Polyamines and process for making the same
摘要
申请公布号
US2067291(A)
申请公布日期
1937.01.12
申请号
US19330702201
申请日期
1933.12.13
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
SALZBERG PAUL L.
分类号
C07C209/48
主分类号
C07C209/48
代理机构
代理人
主权项
地址
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