| Predicate |
Object |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-645
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-80
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-593 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-80
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-81
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-645
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-593
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-584 |
| filingDate |
1989-01-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1999-02-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1999-02-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-2857626-B2 |
| titleOfInvention |
High fracture toughness self-strengthened silicon nitride ceramic and method for producing the same |
| priorityDate |
1988-01-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |