| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_78ca80ad4b743c901ec136b21263f093 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2410-01
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2410-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2410-04 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F4-69
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F110-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F4-025 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-69
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F110-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-02 |
| filingDate |
2020-03-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ed17ae2cc2ac910e92882412af011783
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7ecf692041efbf3253b803709e9a2b7e |
| publicationDate |
2022-04-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2022127388-A1 |
| titleOfInvention |
Chromium oxide catalyst for ethylene polymerization |
| abstract |
The invention relates to a solid catalyst system comprising a first chromium compound, a second chromium compound, a reaction product of an alkyl aluminium compound and a nitrogen containing compound and a silicon oxide support, wherein the first chromium compound is chromium trioxide or a compound convertible to chromium trioxide, the second chromium compound is a slilylchromate compound and the nitrogen containing compound is a cycloalkylamine compound having the general formula: R 3 —NH 2 , wherein R 3 is selected from C3-C8 cycloalkyl groups. |
| priorityDate |
2019-03-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |