| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_28a869d6fc950d50f6df03f549ca3afa |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-265 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-128
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J35-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C63-38
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-265
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-08 |
| filingDate |
1988-04-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1989-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c986d81ca7526d1410d30712e2f79cb7
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ff417f38ce4f1ba522f5b869187b37e8
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c1b7087d87faf0ee47782f5be05146fa
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6579e04d78649368ae2c02f843b34ff8 |
| publicationDate |
1989-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4873366-A |
| titleOfInvention |
Process for producing 2,6-naphthalenedicarboxylic acid |
| abstract |
Disclosed in the present invention is a process for producing 2,6-naphthalenedicarboxylic acid comprising oxidizing 2,6-diisopropylnaphthalene or its partially oxidized intermediate with molecular oxygen in a solvent containing at least 50% by weight of an aliphatic monocarboxylic acid, having not more than three carbon atoms, in the presence of a catalyst composed of (i) a heavy metal comprising cobalt and/or manganese and (ii) bromine, and a salt of an inorganic acid having an acid dissociation constant Ka smaller than 1.34×10 -5 (at 25° C.) and a vapor pressure lower than that of the aliphatic monocarboxylic acid used as the solvent. According to the process of this invention, 2,6-naphthalenedicarboxylic acid of high bulk density can be obtained in a high yield and with high purity. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5175352-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5112992-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-0039085-A1 |
| priorityDate |
1987-04-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |