发明名称 |
Process for preparing phenothiazine granulate exhibiting enhanced properties |
摘要 |
<p>The invention relates to a method for producing a phenothiazine granulate with a narrow particle size distribution. At least 98% pure phenothiazine in liquid form is pressed through a device provided with boreholes and a frequency is applied to said liquid phenothiazine. The liquid phenothiazine discharged through the boreholes enters a cooling medium having a temperature of between -196 and +120° C. The drops of liquid phenothiazine thus produced are brought to a temperature below melting point and are optionally solidified in another post-cooling area. Optionally, fine-grain particles or coarse-grained particles thus formed can be subsequently removed by appropriate methods. The bulk density of the obtained phenothiazine granulates ranges more particularly from 720-780 kg/m<SUP>3</SUP>.</p> |
申请公布号 |
CZ20024138(A3) |
申请公布日期 |
2003.04.16 |
申请号 |
CZ20020004138 |
申请日期 |
2001.03.09 |
申请人 |
CLARIANT GMBH |
发明人 |
BEYER JURGEN;BREIER DIETMAR;EFFENBERGER GUNTHER;ROOS MICHAEL;RUPPERT JENS;JUST OLAF;WEHLE DETLEF |
分类号 |
C07D279/36;A01N25/12;A01N43/84;A61K31/5415;B01J2/04;C07B63/04;C07D279/00;C08F2/42;C08F20/00;C10M135/36;(IPC1-7):C07D279/20;B01J2/18;C09K15/30 |
主分类号 |
C07D279/36 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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