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公开(公告)号:US20170267544A1
公开(公告)日:2017-09-21
申请号:US15508158
申请日:2015-09-04
CPC分类号: C01G49/06 , B01D53/24 , B01D53/266 , B82Y30/00 , C01P2004/64 , C01P2006/12 , C01P2006/63 , C02F2101/16 , C09C1/24 , C09D17/007
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).
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公开(公告)号:US20170292024A1
公开(公告)日:2017-10-12
申请号:US15507808
申请日:2015-09-04
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).
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