发明名称 Process for preparing granular melamine
摘要 <p>The invention relates to a granular melamine, wherein the D<SUB>99 </SUB>lies between 300 mum and 1800 mum. The invention further relates to a process for compacting melamine comprising: a roll pressing step wherein a melamine powder is pressed into compacted melamine; a crushing step wherein the compacted melamine is crushed into granular melamine; a coarse screening step to which the granular melamine is supplied, wherein particles greater than a desired particle size are separated from the granular melamine, wherein the coarse screening step is carried out in such a fashion that the granular melamine has a D<SUB>99 </SUB>lying between 300 mum and 1800 mum.</p>
申请公布号 EP1631555(B1) 申请公布日期 2009.04.29
申请号 EP20040748631 申请日期 2004.06.03
申请人 DSM IP ASSETS B.V. 发明人 VAN DIJK, SASKIA, INGEBORG;VONK, PIETER
分类号 C07D251/56;B01J2/22 主分类号 C07D251/56
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