| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1f82831330489763130c5921f139620c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_56a3efe5f770b4a9d34e2d297bc1d2ae
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_424db9d56b06a23aed410fcf5df652f3
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e85a69cb28c8e5e7788c4e4043b0d712 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P10-20 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01F17-271
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B59-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01F17-17
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B3-26 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22B59-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01F17-271
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01F17-17 |
| filingDate |
2012-06-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2014-08-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5e7a354653dffce64f6b608863598345
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_813879970acc4140f76b99ee661cb483
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7498b276b89525aaf209f44565fd05ab |
| publicationDate |
2014-08-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-8802040-B2 |
| titleOfInvention |
Method for extracting and separating light rare earth element |
| abstract |
A target light rare earth element is separated from an aqueous solution containing two or more of La, Ce, Pr and Nd by contacting an organic phase containing an extractant with the aqueous solution in a counter-current flow multistage mixer-settler while adding an alkaline solution thereto, and contacting the organic phase with an acid aqueous solution for back-extracting the target element. The extractant is a dialkyl diglycol amic acid having formula: R 1 R 2 NCOCH 2 OCH 2 COOH wherein R 1 and R 2 are alkyl, at least one having at least 6 carbon atoms. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9399828-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2015284872-A1 |
| priorityDate |
2011-06-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |