| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e3b0a3dbf8d6c9712d86ea1383fd5327 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-00189
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C25D21-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2006-44
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C25D3-60
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C25D3-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B23K35-262 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J19-0066
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G19-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C25D21-18
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C25D21-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G21-20
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G19-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J19-0086
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C25D21-14 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C25D21-14 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G19-02 |
| filingDate |
2019-07-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_33f017aba8c5fba8da71cd166475023b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5734faa253f645fac8eeb508f6ce777d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e279d0d6bcf3d2872ffd268def0f768e |
| publicationDate |
2020-02-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
WO-2020026745-A1 |
| titleOfInvention |
LOW α-RAY EMISSION STANNOUS OXIDE AND METHOD FOR PRODUCING SAME |
| abstract |
The stannous oxide is stannous oxide having an α-ray emission level of 0.002 cph/cm2 or less after being heated for six hours at 100°C in air. Tin containing lead as an impurity is dissolved in a sulfuric acid aqueous solution to prepare a tin sulfate aqueous solution, and lead sulfate is precipitated in this aqueous solution and removed. A lead nitrate aqueous solution containing lead with an α-ray emission level of 10 cph/cm2 or less is added while stirring the tin sulfate aqueous solution from which the lead sulfate has been removed to precipitate lead sulfate in the tin sulfate aqueous solution which is simultaneously circulated while removing the lead sulfate from this aqueous solution. A neutralizing agent is added to the tin sulfate aqueous solution to collect the stannous oxide. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2022102636-A1 |
| priorityDate |
2018-07-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |