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1.发明授权Method for producing finely divided haematite and for producing iron oxide red pigments 有权用于生产细碎的赤铁矿和生产氧化铁红颜料的方法公开(公告)号：US09428402B2
公开(公告)日：2016-08-30
申请号：US14342860
申请日：2012-09-28
CPC分类号： C01G49/06 , B82Y30/00 , C01P2004/64 , C01P2006/12 , C01P2006/80 , C09C1/24 , Y10T428/2982
摘要： The present invention relates to an improved process for the production of finely divided haematite and of iron oxide red pigments made up of the finely divided haematite and the use of the finely divided haematites and iron oxide red pigments produced by this process.
摘要翻译： 本发明涉及一种用于生产精细分散的赤铁矿和由细碎的赤铁矿组成的氧化铁红色颜料的改进方法，以及使用通过该方法制备的细碎的赤铁矿和氧化铁红颜料。
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公开(公告)号：US11104807B2
公开(公告)日：2021-08-31
申请号：US16082651
申请日：2017-03-08
发明人： Waldemar Czaplik , Udo Holtmann
摘要： The present invention relates to an improved process for producing iron oxide red pigments by the Penniman process using nitrate (also referred to as nitrate process or direct red process) and apparatuses for carrying out the process.
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3.发明申请METHOD FOR PRODUCING FINELY DIVIDED HAEMATITE AND FOR PRODUCING IRON OXIDE RED PIGMENTS 有权用于生产精细分散的生物质和用于生产氧化铁红色颜料的方法公开(公告)号：US20140205664A1
公开(公告)日：2014-07-24
申请号：US14342860
申请日：2012-09-28
CPC分类号： C01G49/06 , B82Y30/00 , C01P2004/64 , C01P2006/12 , C01P2006/80 , C09C1/24 , Y10T428/2982
摘要： The present invention relates to an improved process for the production of finely divided haematite and of iron oxide red pigments made up of the finely divided haematite and the use of the finely divided haematites and iron oxide red pigments produced by this process.
摘要翻译： 本发明涉及一种用于生产精细分散的赤铁矿和由细碎的赤铁矿组成的氧化铁红色颜料的改进方法，以及使用通过该方法制备的细碎的赤铁矿和氧化铁红颜料。
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