| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c7ad58d3c0b071069a8ee0cb8c8ba2e8 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C68-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C68-01 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C39-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C68-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C68-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C37-72
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-96 |
| filingDate |
1997-02-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1998-01-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_53393624ba4e170afcb0b3b106c3e102
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3a67c6841683a22620b9b1523cd12ddc
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c02f48c3d469e2718fa59a622f2c036d |
| publicationDate |
1998-01-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-5712406-A |
| titleOfInvention |
Method of extractive separation of diaryl carbonates and the original aromatic hydroxy compounds from reaction solutions |
| abstract |
Diaryl carbonate and an aromatic hydroxy compound are simultaneously separated from a crude reaction mixture for producing diaryl carbonates by oxidative carbonylation of the aromatic hydroxy compound and containing the diaryl carbonate and excess hydroxy compound together with the catalyst system, consisting of a noble-metal catalyst, co-catalyst, quaternary salt and a base. The crude reaction mixture is mixed with a covalent aprotic extraction agent, a phase separation is carried out into a donor phase containing the catalyst system and a recipient phase containing the diaryl carbonate and the hydroxy compound in concentrated form, and the diaryl carbonate and the hydroxy compound are isolated from the recipient phase. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5981788-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8507712-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2004054238-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2003109738-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2010037477-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-03035592-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6734319-B2 |
| priorityDate |
1996-02-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |