| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_3e9445e5e3626f36e932c6451a928250 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-56
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-567 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-567
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-56
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D307-60
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 |
| filingDate |
1985-08-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1987-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_50798b79e797792e7b742caeb812b6e4
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f2d529dedef9dcbf25e33cbefb61750c |
| publicationDate |
1987-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-1229616-A |
| titleOfInvention |
Process for the preparation of dimethylmaleic anhydride |
| abstract |
Process for the preparation of dimethylmaleic anhydride Abstract of the Disclosure The reaction of maleic acid, fumaric acid and/or maleic anhydride at elevated temperature and in the presence of catalytic amounts of a heterocyclic amidine or a salt thereof with protonic acids affords dimethylmaleic anhydride in good yield. |
| priorityDate |
1984-08-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |