| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c7ad58d3c0b071069a8ee0cb8c8ba2e8 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C253-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C255-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C-
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D11-00 |
| filingDate |
1972-07-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1974-11-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_41af79dc1d7a995d5de1828b0a047f4c |
| publicationDate |
1974-11-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3846471-A |
| titleOfInvention |
Separation and purification of crude 1,4-dicyano-2-butene |
| abstract |
Process for separating and purifying of crude 1,4-dicyano-2butene obtained by reaction of 1,4-dichloro-2-butene and/or 1,2dichloro-3-butene with hydrocyanic acid or sodium cyanide in the presence of one copper salt in an aqueous acidic medium by extracting the reaction mixture with methylene chloride. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0075477-A1 |
| priorityDate |
1969-09-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |