http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1608690-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e3b3f4f8df8306f743faf2d4a4af65e1 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S526-901 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S526-943 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F210-16 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F210-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-38 |
| filingDate | 2004-04-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c0f5b4343538c5cc85a345273daa1112 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_78fbe8b3c3643b93c4d4d16dfcbff7b1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6fbbecee49094eabd4f0e63160d0d22a |
| publicationDate | 2005-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-1608690-A1 |
| titleOfInvention | Preparation of polyolefins having high molecular weights in the presence of an organic transition metal compound in a gas-phase fluidized-bed reactor |
| abstract | Process for preparing polyolefins having high molecular weights in the presence of a catalyst comprising an organic transition metal compound in a gas-phase fluidized-bed reactor, where the polyolefins prepared have a melt flow rate at 2.16 kg and 190° C. in accordance with ISO 1133 of less than 4 g/10 min. According to the present invention, a start-up phase during which a polyolefin having an increased melt flow rate of above 4 g/10 min is produced for a transitional period is provided. In this way, trouble-free start-up of the reactor is ensured even in the case of polymer products having a high molecular weight and a melt flow rate below 4 g/10 min and even when using catalysts based on organic transition metal compounds, in particular metallocene catalysts. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9062181-B2 |
| priorityDate | 2003-04-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 100.