| Predicate |
Object |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2531-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2531-34
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2531-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-52 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2-36
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C11-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C11-107
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F10-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C11-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C11-107
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F10-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C2-36 |
| filingDate |
2014-05-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2017-12-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
2017-12-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-105263890-B |
| titleOfInvention |
Four poly- methods of ethene |
| abstract |
A kind of method for making ethylene tetramerization, methods described are included under conditions of ethylene oligomerization, ethene is contacted with catalyst.The catalyst includes chromium source, ligand compound and activator.The ligand compound includes the phosphine for forming a part for cyclic structure. |
| priorityDate |
2013-05-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |