| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c7ad58d3c0b071069a8ee0cb8c8ba2e8 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G59-5033 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G59-50 |
| filingDate |
1969-06-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1972-06-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b4f951001b1c516d736029c80b83ada8
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ab23c969d1f4414da26b574aa62b858b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_31c11d51ab85f91d311235377e29afc2 |
| publicationDate |
1972-06-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3670024-A |
| titleOfInvention |
Process for the production of 4,4{40 -diaminodiaryl alkanes |
| abstract |
Production of 4,4''-diaminodiaryl-alkanes by reacting a ketone and a salt of an aromatic amine at normal pressure, under anhydrous conditions and in a melt of the amine, said diaryl alkanes being useful for the production of plastics, the preparation of polyamides and as hardeners for epoxy resins. |
| priorityDate |
1969-06-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |