Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_bf0fc688c390462ee4de31a42914668e http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_537709b726bfa86b77911d888f43c7a9 |
classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J31-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2531-46 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-584 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J21-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J31-38 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E50-10 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J38-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C68-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C68-065 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J38-485 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-03 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C69-96 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C68-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J31-38 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J37-0203 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J37-0209 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J31-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J37-06 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-96 |
filingDate |
2010-10-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate |
2012-07-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ade03a0dfe1e56a7d0e3ddf8496b1f62 |
publicationDate |
2012-07-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-8222444-B2 |
titleOfInvention |
Process for continuous production of organic carbonates or organic carbamates and solid catalysts therefore |
abstract |
Processes for the alcoholysis, inclusive of transesterification and/or disproportionation, of reactants are disclosed. The alcoholysis process may include feeding reactants and a trace amount of soluble organometallic compound to a reactor comprising a solid alcoholysis catalyst, wherein the soluble organometallic compound and the solid alcoholysis catalyst each independently comprise a Group II to Group VI element, which may be the same element in various embodiments. As an example, diphenyl carbonate may be continuously produced by performing transesterification over a solid catalyst followed by disproportionation, where a trace amount of soluble organometallic compound is fed to the transesterification reactor. Also disclosed is a process for reactivating a spent solid alcoholysis catalyst, such as a catalyst useful for transesterifications and/or disproportionations, the process including removing polymeric materials deposited on the catalyst and re-depositing catalytically active metals on the solid catalyst. |
priorityDate |
2008-02-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |