| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a918f321eec49142fd07a00fde94f2e1 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C63-307
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D307-89
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-42 |
| filingDate |
1977-03-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c721dedc75411c336c8894a6e91da4b8
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9279316e6c6d294eab67f78e0f0507ab |
| publicationDate |
1978-10-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-S53116336-A |
| titleOfInvention |
Preparation of trimelitic acid anhydride |
| abstract |
PURPOSE: To prepare the title cpd. of high quality by removing terephthalic acid by taking advantage of the difference of the solubility of the tre phthalic acid and trimellitic acid (obtd. by oxidation of pseudocumene) to hot water, followed by crystallization and dehydration. n COPYRIGHT: (C)1978,JPO&Japio |
| priorityDate |
1977-03-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |