| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_17a25560affe4aef1ab8bc8355c15980
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8dd5eb129edef33be155157f6bd971ab
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1d6bea21a26280ae4599d5852ee20292
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_ab62fad7486f8dd868011a658b323924 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C63-38
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-16 |
| filingDate |
1989-01-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1991-04-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7f3bebe18aa2d7bd39139fe881bd912a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d0837a2afe5fa0ee895d6523a8910607
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_01a69be0a254d1eee8277a4a50f0e5eb
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b66876ab1e440a030a79bb43adbd7978 |
| publicationDate |
1991-04-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
SU-1643522-A1 |
| titleOfInvention |
Method of producing 4-benzoylnaphalic anhydride |
| abstract |
This invention relates to aromatic dicapboxylic acids, in particular to the preparation of 4-benzoyl naphthalic anhydride. The goal is to increase the yield of the target product and improve its quality. The preparation is carried out by the oxidation of 5-benzoylcene-naphthene with potassium permanganate mixed with hypochlorite or 42-50% potassium manganate paste mixed with potassium hypochlorite in the presence of 1-2 mol.% Of copper sulfate from potassium manganate. The process is carried out at a molar ratio of 5-benzoyl-acenaphthene: manganese-containing compound: potassium hypochlorite 1: (0.88-2): |
| priorityDate |
1989-01-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |