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公开(公告)号:US06503315B1
公开(公告)日:2003-01-07
申请号:US09718272
申请日:2000-11-22
申请人: Norbert Etzenbach , Kai Bütje
发明人: Norbert Etzenbach , Kai Bütje
IPC分类号: C09C120
CPC分类号: C09C1/24 , C01G49/06 , C01P2006/62 , C01P2006/63 , C01P2006/64 , C08K3/22 , C08K2003/2265 , C09D7/61
摘要: The present invention relates to a process for producing iron oxide red pigments containing the step of forming a suspension of haematite nuclei by reaction between dilute nitric acid and elemental iron above 90° C. and to pigments of pure color and their use.
摘要翻译: 本发明涉及一种生产氧化铁红颜料的方法,其包括通过在高于90℃的稀硝酸和元素铁之间的反应形成赤铁矿核悬浮液的步骤以及纯色颜料及其用途。