http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7470760-B2
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d2a47e349b64fc8303b7757311898deb |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08C19-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F36-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08C19-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-48 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F236-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F36-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-12 |
| filingDate | 2004-01-14^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2008-12-30^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4d9bb7c3374836df104d724b122d918c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_20e421b3cbf2ee7b6d8127099d8186f2 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6dc24380942288779d0b2a8e5cf5650b |
| publicationDate | 2008-12-30^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-7470760-B2 |
| titleOfInvention | Diene elastomers with cyclic vinyl units and processes for obtaining same |
| abstract | The present invention relates to a linear or branched diene elastomer having cyclic vinyl units. A linear diene elastomer according to the invention results from at least one conjugated diene and it comprises cyclic vinyl units in a mass content of greater than or equal to 15% while having a number-average molecular weight falling within a range of from 10,000 to 300,000 g/mol. The invention also relates to a process for the production n of such a linear or branched diene elastomer including cyclic vinyl units in the above-stated content and having a number-average molecular weight ranging from 10,000 to 300,000 g/mol, such that said process includes the continuous reaction of at least one conjugated diene monomer in an inert aliphatic or alicyclic hydrocarbon solvent with a catalytic system comprising an organolithium initiator, a polar agent having two or more heteroatoms and an alkali metal salt of an aliphatic or alicyclic alcohol, where:n (i) the (polar agent:initiator) molar ratio is greater than or equal to 3. (ii) the (salt:initiator) molar ratio falls within a range of from 0.01 to 2, and (iii) the (salt:polar agent) molar ratio falls within a range of from 0.0001 to 0.5. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11542355-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009082534-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2021171696-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7763696-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10899864-B2 |
| priorityDate | 2001-07-16^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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