| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_04650c4315071ee8af7d26e3441a53b1 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-43 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-43 |
| filingDate |
1971-07-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1975-06-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2d1c1a080af9dbe7d80089b48f53e55a |
| publicationDate |
1975-06-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3887613-A |
| titleOfInvention |
Thermal purification of terephthalic acid using group I-B, II-B, VIII catalysts |
| abstract |
A process for the purification of terephthalic acid (TPA) by heating the TPA and a liquid medium in the presence of a Group IB, II-B or VIII catalyst to above 325*C followed by cooling of the heated mixture so as to crystallize the purified terephthalic acid. The heating above 325*C is preferably to a temperature such that no TPA remains as a solid. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5961935-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2007208198-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6013835-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4447646-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6054610-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11673378-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11673309-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11673377-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6113866-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5929274-A |
| priorityDate |
1968-02-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |