| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_50907fc1b392e2bf592f74fb8123032d |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-141 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C68-065
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C68-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C68-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C69-96
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C29-128 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-96 |
| filingDate |
2007-02-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2010-07-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3cbeb982591b053a64b6dd6f6f8e8d04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_246397bdaf8ff765b63b09bbc6512d9d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1c51ad0d60d091190fc65ec8fd28b209 |
| publicationDate |
2010-07-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-7763745-B2 |
| titleOfInvention |
Process for the production of dialkyl carbonate and alkanediol |
| abstract |
An alkylene carbonate and an alkanol are subjected to transesterification to yield a dialkyl carbonate and alkanediol in a process comprisingn (a) introducing the alkylene carbonate and an alkanol feedstock into a reaction zone to react in the presence of a transesterification catalyst to yield an alkanediol-rich stream and a stream comprising dialkyl carbonate and alkanol, which streams are separated; (b) passing the stream comprising dialkyl carbonate and alkanol to an extractive distillation zone in which an extractant is added to the stream; (c) obtaining from the extractive distillation zone an alkanol-rich vapor stream and a bottom stream containing the extractant and the dialkyl carbonate; (d) separating the bottom stream from step (c) in a second non-extractive distillation zone to yield a dialkyl carbonate-rich top stream and a extractant-rich bottom stream; and (e) at least partly recycling the extractant-rich bottom stream to the extractive distillation zone,n nwherein the extractant-rich bottom stream is used as heat source for the alkanol feedstock. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2017112626-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11298688-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2020075152-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10654973-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10640609-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9475751-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10934496-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2017112627-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2017112625-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009270657-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10844297-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11078430-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11142705-B2 |
| priorityDate |
2006-02-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |