| Predicate |
Object |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-54 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01B17-90
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C303-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C303-44 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01B17-69
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D12-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C301-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D-
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D17-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-03
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-44
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01B17-90 |
| filingDate |
1987-12-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1990-05-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1990-05-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0274161-B1 |
| titleOfInvention |
Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffinsulphonic acids |
| abstract |
Sulphuric acid is removed from aqueous mixtures thereof with (C12-C18) alkanesulfonic acids by extracting them with a solvent consisting of a halogenated (C1-C2) hydrocarbon and a cosolvent consisting of an alcohol or ether. |
| priorityDate |
1986-12-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |