| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0efa077d881a96aeb1e29b21ef1bbb58 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C50-38
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C50-34
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C46-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J19-20 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C46-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J19-20
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C46-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C50-38
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C50-34 |
| filingDate |
1990-10-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f21b61737c83a7c9c882164e7ad228f7
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a785b07fe832b803a21fed786a1bd05d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0e84acff53097df5332a76802dca6d92 |
| publicationDate |
1991-04-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0423583-A1 |
| titleOfInvention |
Process for the preparation of hydroxyanthraquinones |
| abstract |
Process for the preparation of 1-hydroxyanthraquinones by reacting phthalic anhydride or its derivatives with phenol derivatives in the presence of a Lewis acid as a catalyst and optionally a diluent, the reaction being carried out in a self-cleaning apparatus with a mixing action. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103055790-A |
| priorityDate |
1989-10-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |