http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-2072034-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c7ad58d3c0b071069a8ee0cb8c8ba2e8 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C269-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C271-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C269-04 |
| filingDate | 1992-06-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9513a94977513e2e818ee2fa6ebca027 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fb1edd8000097ec4a74ec953d1a679b5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_54446dfb97afc8db6465a8602c81a94d |
| publicationDate | 1992-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CA-2072034-A1 |
| titleOfInvention | Process for the preparation of bis-(ethoxycarbonylamino) toluenes and for the preparation of diisocyanatotoluenes therefrom |
| abstract | Mo3746 A PROCESS FOR THE PREPARATION OF BIS-(ETHOXYCARBONYLAMINO)TOLUENES AND FOR THE PREPARATION OF DIISOCYANATOTOLUENES THEREFROM ABSTRACT OF THE DISCLOSURE A process for the preparation of bis-(ethoxycarbonyl-amino)-toluenes in which a diaminotoluene is reacted with diethylcarbonate in the presence of a catalyst at 100 to 300°C with simultaneous or subsequent removal of the alcohol formed. The diethylcarbonate being used in an at least 5-times molar excess based on the amino groups of the diaminotoluene. The bis-(ethoxycarbonylamino) toluenes formed are isolated in the form of crystals of great purity obtained after cooling of the reaction mixture. The resulting bis-(ethoxycarbonylamino)-toluenes may then be used as starting materials for the preparation of diisocyanatotoluenes. Le A 28 489 |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8513453-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9988344-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10807084-B2 |
| priorityDate | 1991-06-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 61.