| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_572ab3dc169a753db545ebb270bf4e36 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-567 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C63-68
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D307-89
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-567
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 |
| filingDate |
1989-02-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1993-12-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_01467711ce3eec435bf8818db3e2bf4d |
| publicationDate |
1993-12-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0330219-B1 |
| titleOfInvention |
Preparation of substituted phthalic anhydride |
| abstract |
A process for the preparation of halogen substituted phthalic anhydrides of the formula: <CHEM> wherein X is a halogen, by the reaction of a halogen substituted tetrahydrophthalic phthalic anhydride of the formula: <CHEM> or a geminal dihalogen substituted hexahydrophthalic anhydride of the formula: <CHEM> in a vapor or liquid phace while mixed with an air flow and an activated carbon catalyst at an elevated temperature. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7732559-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6649773-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6657068-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6657067-B2 |
| priorityDate |
1988-02-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |