| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e83d93ed02bbd6159e99b5a7796e3686
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1e70c0aeade92d7571d955d3b90ea06e |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-56 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-56
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C53-126 |
| filingDate |
1998-10-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2003-11-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_595e1b1fe98154ab8f565c79d4ee9f24 |
| publicationDate |
2003-11-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
TW-561146-B |
| titleOfInvention |
Process to prepare a pentenoic acid anhydride |
| abstract |
Process to prepare a pentenoic acid anhydride in the presence of a catalyst comprising palladium and an organic phosphine ligand, wherein the corresponding alkoxycarbonyl butene is reacted with carbon monoxide at a temperature between 50 and 130 DEG C and that the phosphine is a monodentate phosphine or a bidentate phosphine. |
| priorityDate |
1997-10-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |