http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1395964-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_4976a2965a6f1f78fd131ea1cd31d5ef |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D207-267 |
| classificationIPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D207-26 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D207-267 |
| filingDate | 1972-08-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1975-05-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1395964-A |
| titleOfInvention | Process for the dimerization of vinyl pyrrolodone |
| abstract | 1395964 Dimerization of N-vinyl pyrrolidone GAF CORP 9 Aug 1972 [16 Aug 1971] 37161/72 Heading C2C 1,3 - Bis - (2 - pyrrolidonyl) - 1 - butene is obtained by dimerizing N-vinyl-pyrrolidone with an acid catalyst at 65‹ to 150‹ C. Sufficient acid catalyst (e.g. CF 3 CO 2 H), is preferably added to initiate an exothermic reaction, e.g. from 0À01 to 20% by weight based on N-vinyl pyrrolidone. An inert atmosphere for the reaction is preferred and an inert organic solvent is optional. Other exemplified acid catalysts are H 2 SO 4 , CH 2 CO 2 H, HCl, HI and HF and acids otherwise specified are phosphoric, nitric, BF 3 , SO 2 and polystyrene sulphonic acid. |
| priorityDate | 1971-08-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 18.