| 申请日期 | 2025-07-17 | 申请号 | WOIN04000406 |
| 公开（公告）号 | WO2006067799A1 | 公开（公告）日 | 2006-06-29 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH; SREERAM Kalarical Janardhanan; NAIR Balachandran Unni; RAMASAMI Thirumalachari | ||
| 简介 | The present invention provides a novel process for preparation of inorganic colorants form mixed rare earth compounds, which are directly obtained from the ore industry, without undergoing any separation, thereby enabling a cost reduction to the extend of 10-100 times. Colors ranging from brown, blue and green can be obtained by suitable doping with other metal ions. | ||
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