| Predicate |
Object |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-51
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2002-52
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2006-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B82Y25-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-64
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-54 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G49-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G11B5-842
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G11B5-714
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01F1-11
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G11B5-706
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G49-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G11B5-842
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G51-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G11B5-714
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G11B5-706
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G49-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G49-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01F1-11 |
| filingDate |
2017-09-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
2019-09-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-WO2018062478-A1 |
| titleOfInvention |
Epsilon-type iron oxide magnetic particles and method for producing the same, magnetic powder comprising magnetic particles, magnetic paint, and magnetic recording medium |
| abstract |
An object is to provide a magnetic powder having a narrow particle size distribution of epsilon-type iron oxide particles. Another object is to provide a magnetic powder suitable for a magnetic recording medium by improving the particle size distribution. Epsilon iron oxide having a number average particle size (D 50 ) of major axis by TEM of 10 to 20 nm, 90% cumulative particle size (D 90 ) of 30 nm or less, and geometric standard deviation (σ g ) of major axis of 1.45 or less Magnetic particles and related techniques are provided. |
| priorityDate |
2016-09-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |