发明授权
- 专利标题： Solid particles
- 专利标题（中）： 固体颗粒
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申请号： US10129151申请日： 2002-05-02
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公开(公告)号： US06710152B1公开(公告)日： 2004-03-23
- 发明人: Rolf Lanze , Michael Prein , Uwe Hucks
- 申请人： Rolf Lanze , Michael Prein , Uwe Hucks
- 优先权： DE19953301 19991105
- 主分类号： C08G6400
- IPC分类号： C08G6400
摘要：
Solid particles containing 10 to 90 parts by weight of a dihydroxy compound and 10 to 90 parts by weight of a carbonic acid ester are disclosed. Also disclosed is a process for the production of these particles, an apparatus suitable for the process and a method for their use in production of polycarbonate by transesterification of carbonic acid esters with dihydroxy compounds.
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