专利名称：Improvements in ceramic materials发明人：Carthey, Nicholas Andrew,Eadon, Desmond
Gerard
申请号：EP99301900.9申请日：19990312公开号：EP0947564A1公开日：19991006
摘要：A synthetic Thiviers Earth pigment comprises sub-micron particles of goethiteor other precursor for α- FeO dispersed and encapsulated in an organic-free silica matrix.The synthetic product gives a more uniform product with strong clean colour, andpermits adjustment to meet customer requirements.
申请人：JOHNSON MATTHEY PUBLIC LIMITED COMPANY
地址：2-4 Cockspur Street, Trafalgar Square London SW1Y 5BQ GB
国籍：GB
代理机构：Wishart, Ian Carmichael
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