| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b9ff2988b0c12145a439b1a8945d0e6d |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F110-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S526-943
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S526-901
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F4-65927 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F10-06 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F110-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-6592 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F10-06 |
| filingDate |
1999-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2002-07-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_41662d5ab64d9f7bb19802d13be661ca
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_268e0ccf26e7b6be02d56c67cae349bb |
| publicationDate |
2002-07-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-6426394-B1 |
| titleOfInvention |
Method of polymerizing olefins using unsupported catalyst compositions |
| abstract |
Methods of polymerizing olefins in the gas phase using unsupported catalyst compositions are disclosed. At least one olefin monomer is polymerized in a gas phase reactor in the presence of an unsupported liquid catalyst composition whereby the method reduces reactor fouling by maintaining the partial pressure of the primary olefin monomer that is polymerized below about 240 psi. in the reactor. The invention is particularly useful for, but is not limited to polymerizing propylene or copolymerizing propylene with olefins having two or more carbon atoms. The method described herein produces a polymer product having controlled, uniform particle size, narrow molecular weight distribution, high bulk density and stereoregularity, and prevents and/or inhibits reactor fouling during catalyst delivery and during polymerization. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2010063090-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7989562-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105051075-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2008042177-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2218751-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2004097667-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2010041841-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7232868-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2014159942-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2016032031-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105051075-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9624323-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2011040048-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2008042078-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10933392-B2 |
| priorityDate |
1999-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |