| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1e70c0aeade92d7571d955d3b90ea06e |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C17-386 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C17-386
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C19-08 |
| filingDate |
1997-10-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2002-09-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_722a17f4733a96e03e30e6db517f76a9
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_97cf7187653c63703ba920a467cda4df |
| publicationDate |
2002-09-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0935593-B1 |
| titleOfInvention |
Process for the purification of 1,1-difluoroethane |
| abstract |
The present invention relates to processes for separating 1,1-difluoroethane (HFC-152a) from vinyl chloride by using extractive distillation with an extractive agent selected from the aliphatic hydrocarbons, chlorocarbons and alcohols. |
| priorityDate |
1996-11-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |