发明公开
EP0047117A3 Process for converting premilled crude quinacridone to pigmentary form, quinacridone pigment so obtained and paints and plastics containing such pigment
失效
将优先使用的喹诺酮转化成色素的方法，获得的喹哪啶色素和含有这种色素的涂料和塑料
- 专利标题： Process for converting premilled crude quinacridone to pigmentary form, quinacridone pigment so obtained and paints and plastics containing such pigment
- 专利标题（中）： 将优先使用的喹诺酮转化成色素的方法，获得的喹哪啶色素和含有这种色素的涂料和塑料
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申请号： EP81303851申请日： 1981-08-24
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公开(公告)号： EP0047117A3公开(公告)日： 1982-03-24
- 发明人: Fitzgerald, Patrick Henry
- 申请人： E.I. DU PONT DE NEMOURS AND COMPANY
- 专利权人： E.I. DU PONT DE NEMOURS AND COMPANY
- 当前专利权人： E.I. DU PONT DE NEMOURS AND COMPANY
- 优先权： US181958 19800828
- 主分类号： C09B67/18
- IPC分类号： C09B67/18 ; C09B67/10 ; C09B48/00 ; C09D05/00 ; C08K05/34 ; C09B67/22
摘要：
Premilled crude quinacridone is converted to pigmentary form by contacting the premilled quinacridone with an aqueous alkaline medium at a temperature of 85°C or more in the presence of from 2% to 15% by weight (based on the crude pigment) of a quaternary ammonium compound of the general formula:-
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