| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_70ec63d39d6704bacc5c7068c93ded43 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-584 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C29-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D317-36
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C68-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D317-36
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C29-12 |
| filingDate |
2004-06-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2008-03-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_115d3e387c5794e35d6523a6349a07ce |
| publicationDate |
2008-03-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
ES-2293327-T3 |
| titleOfInvention |
PROCEDURE FOR THE PREPARATION OF PROPYLENE CARBONATE. |
| abstract |
Process for preparing a propylene carbonate, said process comprising contacting propylene oxide with carbon dioxide at a temperature of 150 to 250 ° C in the presence of a catalyst constituted by recycled tetraalkylphosphonium bromide of the formula R1R2R3R4PBr (I). |
| priorityDate |
2003-06-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |