http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2014641-A3
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6fd83303735006e917a468db06a7a140 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C209-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C201-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C263-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C263-20 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C205-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C201-08 |
| filingDate | 2007-06-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2009-03-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-2014641-A3 |
| titleOfInvention | Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates |
| abstract | The present invention relates to a process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates by sequential reaction of benzene to nitrobenzene to aniline to polyphenyl polymethylene polyamines wherein the benzene used as the starting material contains 500 to 5000 ppm w/w toluene and/or xylenes. |
| priorityDate | 2007-06-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 34.