CM-PATRACritical Minerals Patent and Technology Research Analytics
CM-PATRA / record
Process for preparation of inorganic colorants from mixed rare earth compounds
- Publication
- US-7279036-B2 on Google Patents
- Filed / published / granted
- 2004-12-23 / 2007-10-09 / 2007-10-09
- Offices
- US
- Applicants
- CSIR (Council of Scientific & Industrial Research) (IN, government-rd)
- Minerals
- Rare earths
- Stages
- Compounds and materials
- Waste stream
- None named in the English text
- CPC
- C01P2006/64, C09C1/0009, C01P2006/62, C09C1/00, C01P2006/63, C01F17/241
- Abstract (first 170 chars)
- The present invention provides a novel process for preparation of inorganic colourants from 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.
Why it is labelled this way
Decided by cpc-rules: Matched ree by CPC and text.
Source: Google Patents Public Data (BigQuery), CC BY 4.0.