| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_09106e43404d6b1977281e2561a126e1 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-54 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-43
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-42 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-42 |
| filingDate |
2013-06-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e2ccfd4e4b27e3558475251350bcb42b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8ef8896ee0b50f37c949cf9e8c667785
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_769e1233bd8f8b09203793949384948f |
| publicationDate |
2013-12-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2013331603-A1 |
| titleOfInvention |
Process for Purifying Terephthalic Acid Using Ionic Liquids |
| abstract |
Methods of purifying crude or contaminated terephthalic acid using ionic liquids are described. Crude or contaminated terephthalic acid is contacted with a solvent in the absence of an oxidizing agent to form a purified product having at least 30 wt % less 4-carboxybenzaldehyde compared to the crude or contaminated terephthalic acid. The solvent consists essentially of an ionic liquid, optionally an ionic solid or a material capable of forming an ionic salt, and optionally an aqueous solvent. The ionic liquid is formed in situ from at least one ionic liquid precursor. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10919787-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2015186073-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114591165-A |
| priorityDate |
2012-06-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |