| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_dcb88e6c103e4974b104452c51fbb4a5 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D207-277 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D207-26 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D207-277
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-02 |
| filingDate |
1990-12-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9f71c7ed42856d1b8da33ee4f76c1f55 |
| publicationDate |
1991-10-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0450169-A1 |
| titleOfInvention |
Process for the preparation of 3-carboxamido-5-vinyl-2-pyrrolidone |
| abstract |
The production of 3-carboxamido-5-vinyl-2-pyrrolidone from 2-vinylcyclopropane-1,1-dicarboxylic acid dialkyl ester and ammonia is improved in yield and purity by adding alkali metal alcoholate and a polymerization inhibitor. |
| priorityDate |
1990-04-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |