Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d14a41c862a9baa973e4c9aa1f1dc764 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e3b3f4f8df8306f743faf2d4a4af65e1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1a9b2cb89280015e9a0e45d578b400dc |
classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F4-65912 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F210-16 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F210-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F210-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-642 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-6592 |
filingDate |
2007-04-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate |
2014-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_884034d80cc10aaa014c7e7707dc46d9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2d7f13aca98e819f4ceacb6ddfda4607 |
publicationDate |
2014-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-8785575-B2 |
titleOfInvention |
Process for the preparation of ethylene propylene copolymers |
abstract |
A polymerization process comprising contacting under polymerization conditions ethylene and at least propylene to obtain a copolymer containing from 96% by mol to 71% by mol of ethylene derived units, in the presence of a catalyst system obtainable by contacting: b) at least a metallocene compound of formula (I), b) alumoxane or a compound capable of forming an alkyl metallocene cation; and optionally c) an organo aluminum compound; wherein the groups R 1 -R 4 , L, M and W are described in the text. |
isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11001657-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11345766-B2 |
priorityDate |
2006-04-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |