| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6fd83303735006e917a468db06a7a140 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C209-78
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C263-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C211-54 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C211-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C211-50 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G12-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G12-00 |
| filingDate |
2006-11-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2011-05-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_81a67faf7f13fef3d4d0ea9af4dc9d81 |
| publicationDate |
2011-05-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-7943724-B2 |
| titleOfInvention |
Process for preparing diaminodiphenylmethanes |
| abstract |
Process for preparing diamino diphenyl methane and poly-(diamino diphenyl methane) comprising reacting aniline with formaldehyde in the presence of hydrogen chloride added in the gaseous form wherein the aniline contains 0.1 to 7 wt %, preferably 2 to 5 wt % of a protic chemical, preferably water. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8557949-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2010204510-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2011263809-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9217054-B2 |
| priorityDate |
2005-12-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |