http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104892406-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-487 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-27 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-27 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C65-11 |
| filingDate | 2015-06-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2016-08-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2016-08-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104892406-B |
| titleOfInvention | A kind of industrial production process of 2-hydroxyl-3-naphthoic acid |
| abstract | The invention discloses the industrial production process of a kind of 2 carboxyl 3 naphthoic acids, raw material passes sequentially through the first reaction tower, carboxylation reaction tower, the second reaction tower, neutralizes reaction tower, acid precipitation reaction tower, filter pressing reaction tower, fine straining reaction tower, dehydration tower, dry reaction tower, finished product storage tower, finally gives 2 carboxyl 3 naphthoic acids.Product purity is high, and more than 98.89%, fusing point is up to 220 DEG C, and percent crystallization in massecuite is less than 3%, and finished color is yellowish-brown. |
| priorityDate | 2015-06-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 35.