| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_634538388f2dd27ea0a8bc2a2032c517 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C69-82 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-82
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-08 |
| filingDate |
1968-06-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1971-07-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_081cbdb09844103455b42efeff24481f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ec5ccc2c044692b70d9490b86d84c4d2 |
| publicationDate |
1971-07-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3591625-A |
| titleOfInvention |
Esterification of terephthalic acid with an alkylene glycol in the presence of urea or an alkyl urea |
| abstract |
A PROCESS FOR THE DIRECT ESTERIFICATION OF TEREPHTHALIC ACID WITH AN ALKYLENE GLYCOL WHICH COMPRISES ESTERIFYING TEREPHTHALIC ACID WITH AN ALKYLENE GLYCOL CONTAINING 2 TO ABOUT 10 CARBON ATOMS PER MOLECULE UNDER DIRECT ESTRIFICATION CONDITIONS IN THE PRESENCE OF AN AMOUNT OF UREA OR AN ALKYL UREA SUFFICIENT TO SUPPRESS THE FORMATION OF ALIPHATIC ETHER GROUPS. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3742024-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-3933890-B4
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4511708-A |
| priorityDate |
1968-06-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |