| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d648658dd620f548c24de39659a5e9e3 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-43
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-47
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-487 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-43
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-487
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-47 |
| filingDate |
2003-12-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_524033411042df1a3e427af0757c721b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_31a424f5bbe12413629ff4e6c0845f3d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_35659209ef835d0f7d0da6092665545f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a2cf61a8950217f820575046be5c4322
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6fdaac854b969e48e52481939688e6b9
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_359510a78fadcdc744024ad2a0c3693a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_85a352947209385a474f008d97b67022
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ebc7f5c715196c1a68adaee8082a5dc1
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_dbd18d0631684ab28046e516277df9f5 |
| publicationDate |
2004-06-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-2505976-A1 |
| titleOfInvention |
Process for the purification of a crude carboxylic acid slurry |
| abstract |
Disclosed is a process to produce a purified carboxylic acid product. The process comprises removing impurities from a crude carboxylic acid slurry in a solid-liquid displacement zone to form a slurry product. The slurry product if further treated in a staged oxidation zone and a crystallization zone to from a crystallized product. The crystallized product is further cooled in a cooling zone and subsequently filtered and dried in a filtration and drying zone. The process produces purified carboxylic acid product having good color and low impurity levels without the use of purification steps like hydrogenation. |
| priorityDate |
2002-12-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |