http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3592848-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_634538388f2dd27ea0a8bc2a2032c517 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-42 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-42 |
| filingDate | 1968-05-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1971-07-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6f7ff0f60737428b7eee1404f63974c0 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f62d2e2d106cac342a6f6ee6dd78a48d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b2b385bff737e689a9cff9edcebf7dc1 |
| publicationDate | 1971-07-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-3592848-A |
| titleOfInvention | Method of purifying terephthalic acid |
| abstract | TEREPHTHALIC ACID WHICH HAS BEEN OBTAINED BY THE LIQUID PHASE OXIDATION OF P-BIS(LOWER ALKYL) BENZENES ESPECIALLY XYLENE, IS PURIFIED BY HEATING WITH AT LEAST ONE ALIPHATIC KETONE CONTAINING FROM 3 TO 8 CARBON ATOMS IN THE LIQUID PHASE AT SUPERATMOSPHERIC PRESSURE AND AT A TEMPERATURE ABOVE THE NORMAL BOILING POINT OF THE MIXTURE WHEREBY A SOLUTION OF TEREPHTHALIC ACID IN THE LIQUID KETONE IS PRODUCED AND COOLING THE SOLUTION THUS PRODUCED TO EFFECT CRYSTALLIZATION OF PURIFIED TEREPHTHALIC ACID CRYSTALS. |
| priorityDate | 1968-05-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 51.