| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_fdad00677b9268c26e005a9e03a7b9dd |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B34-1222
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P10-20
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B34-129 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C25C3-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B34-14 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C25C3-26 |
| filingDate |
2009-06-29^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1ac4151203db4eb05b3bd8412d1a71de
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_85b645e3d1749d5736b51bd142c8069d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ecab49cccb8111d67b6640d75699f64c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5d6d4f0dcef09fca5f27d82895421eb0
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e1f3b5c23eb6ed98f138d1142cc2c02a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_845e2f679359333a741ffcdf2a33b1db |
| publicationDate |
2011-05-12^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2011108434-A1 |
| titleOfInvention |
Method of producing metal zirconium |
| abstract |
An object of the present invention is to provide a method of producing metal zirconium, the method having a fewer steps and a smaller amount of secondary wastes generated, wherein the metal zirconium is obtained from a zirconium compound containing hafnium. A method of producing metal zirconium according to the present invention includes: a separation step of separating a hafnium oxychloride from a first substance containing a zirconium oxychloride and a hafnium oxychloride to obtain a second substance having a higher content of the zirconium oxychloride; a calcination step of calcining the second substance to obtain a third substance containing at least any of a zirconium oxychloride and a zirconium oxide; and a direct reduction step of holding the third substance in a molten salt with the third substance brought into contact with a cathode and applying a voltage between the cathode and an anode to directly reduce the third substance to obtain metal zirconium. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-115305512-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9238873-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10106902-B1 |
| priorityDate |
2008-06-30^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |