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发明名称
Method for preventing agglomeration of powder.
摘要
<p>A process for preparing a poly-1,4-ethylenepiperazine, which comprises reacting a piperazine derivative with a dihalogenated alkane, and use of poly-1,4-ethylenepiperazine to prevent agglomeration of powders.</p>
申请公布号
EP0470774(A2)
申请公布日期
1992.02.12
申请号
EP19910307089
申请日期
1991.08.01
申请人
TOSOH CORPORATION
发明人
ONAKA, TADAO
分类号
C05G3/00;C07D295/02;B01J2/30
主分类号
C05G3/00
代理机构
代理人
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