| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e31a7bcbf6b7edcaf10cca6f5400387f |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G37-003
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B34-32 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J41-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D11-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G37-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22B34-32 |
| filingDate |
1977-02-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1981-02-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_06c989d7db4d0b94ec8717fffb03310f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_79f05555340e4c38a263f8a50cdac571 |
| publicationDate |
1981-02-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-1094813-A |
| titleOfInvention |
Recovery of chromium values |
| abstract |
ABSTRACT OF THE DISCLOSURE Chromium values may be recovered from the chromium bearing ores or sources by subjecting the chromium bearing source to a roast in the presence of sulfuric acid and an oxidant which contains manganese com-pounds at temperatures ranging from about 200° to about 500°C. followed by leaching, separation and solvent or ion exchange extraction whereby chromium is selectively extracted and recovered. |
| priorityDate |
1976-02-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |