| Predicate |
Object |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-0277
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-00006
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-582 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J19-18
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J19-0066
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J19-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J19-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C17-206 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C17-20
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J3-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C19-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-90 |
| filingDate |
2013-07-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2016-10-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
2016-10-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-104703954-B |
| titleOfInvention |
The method producing difluoromethane |
| abstract |
The method that the present invention relates to produce difluoromethane, including: dichloromethane and fluohydric acid gas in the liquid phase, in the presence of chlorine and in the presence of ionic-liquid catalyst catalytic reaction, described ionic-liquid catalyst by Antimony pentachloride with there is general formula X + The product composition of the organic salt of A, wherein A is halide anion or hexafluoroantimonic anion, and X + For quaternary ammonium cation, season Or tertiary sulfonium.Present invention is equally related to the device being applicable to implement described method. |
| priorityDate |
2012-08-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |