http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4537938-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_43867d322e887ce7440387bdf2c956b3 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S526-907 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F10-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F10-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-60 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-64 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-632 |
| filingDate | 1984-03-21^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1985-08-27^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_da9d7101beaa0048928c524e4f842af5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2394289c064d00c7d3a8a7b84e674235 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1cd5de75caa377d30becb12b97790bb8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_61230505e4994e3ac42e1874aaea31dc http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4fd775c6f647f050698cf213f7937568 |
| publicationDate | 1985-08-27^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-4537938-A |
| titleOfInvention | Process for preparing polyolefins |
| abstract | Provided is an olefin-polymerization catalyst comprising the combination of the following components [I] and [II]: [I] a solid component obtained by intercontacting and reacting the following components (1) through (4): (1) a compound obtained by treating an oxide of an element of Groups II-IV in the Periodic Table with a compound represented by the general formula R1mSi(OR2)nX4-m-n wherein R1 and R2 are each a hydrocarbon radical having 1 to 24 carbon atoms, a hydrocarbon radical containing oxygen, sulfur or nitrogen, or hydrogen, X is a halogen atom, m is 0</=m<4 and n is 0</=n</=4, provided 0</=m+n</=4, (2) a reaction product obtained by the reaction of a magnesium halide and a compound represented by the general formula Me(OR3)nXz-n wherein Me is an element of Groups I-VIII in the Periodic Table, with the limitation that silicon, titanium and vanadium are excluded, R3 is a hydrocarbon radical having 1 to 24 carbon atoms, X is a halogen atom, z is the valence of Me, and n is 0<n</=z, (3) a compound represented by the general formula <IMAGE> wherein R4, R5 and R6 are each a hydrocarbon radical having 1 to 24 carbon atoms, an alkoxyl group, hydrogen, or a halogen atom, R7 is a hydrocarbon radical having 1 to 24 carbon atoms, and n is 1</=n</=30, and (4) a titanium compound and/or a vanadium compound; and [II] an organometallic compound. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5256738-A |
| priorityDate | 1983-03-29^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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