| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c7ad58d3c0b071069a8ee0cb8c8ba2e8 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C50-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-51 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C50-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-51 |
| filingDate |
1985-04-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7c2bd33338cf38db25bbb60d3610e804
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e0fc49a46ce2f3239a04c1a676cafb25 |
| publicationDate |
1986-10-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
DE-3513981-A1 |
| titleOfInvention |
METHOD FOR PRODUCING 1,4-DICHLOR-ANTHRACHINONE |
| abstract |
A process for the preparation of 1,4-dichloroanthraquinone by acylation of 1,4-dichlorobenzene with phthaloyl chloride in the presence of Friedel-Crafts catalysts and cyclisation of the resulting 2-(2',5'-dichlorobenzoyl)benzoic acid by heating in sulphuric acid. |
| priorityDate |
1985-04-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |