| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8b919a09598a02c07e8429b1441b76e1 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C209-86 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C211-63 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C13-15
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D17-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D11-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J38-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C2-86
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C209-86 |
| filingDate |
1991-05-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_89999c554d26af7ab578510ce9cf22d6 |
| publicationDate |
1991-11-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0456455-A1 |
| titleOfInvention |
Phase transfer catalyst recovery |
| abstract |
A quaternary ammonium salt catalyst is recovered from mixtures where the salt is in contact with an aqueous alkaline phase by adding water to completely dissolve the salt and adding base to cause the dissolved catalyst to separate as a hydroxide which forms an oily upper phase. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5483007-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-19523595-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-9423837-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5675029-A |
| priorityDate |
1990-05-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |