| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e192d271d4a0eaa0f373320e1f66ee3c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b0e5c55b1126628519896e020864bc2f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_210f78091d020ffa5ecfa86207ecba68
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c85d78c6a4459b5dbbc49c82a4c5c107 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C263-20
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C263-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-7671
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C265-14 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G18-76
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C263-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C263-20 |
| filingDate |
2012-11-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2015-07-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e073fc7f0f144ddff4524a043521b720
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0d780f76f6338bfd8cf724d9fff32bf5
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3d41ec3ecccfc97c9b706c6946e4c684 |
| publicationDate |
2015-07-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-9080005-B2 |
| titleOfInvention |
Process for the production of methylene diphenyl diisocyanate isomer mixtures with high 2,4′-methylene diphenyl diisocyanate purity |
| abstract |
The present invention includes a process and apparatus for the production of methylene diphenyl diisocyanate (MDI) isomer mixtures with a low 2,2′-MDI isomer content and a high 2,4′-MDI isomer content. The resulting mixtures have an increased reactivity and are acceptable in food grade application due to the reduction in primary aromatic amines formed during the curing process. The process and apparatus also include controlling the amount of 4,4′-MDI, which is the most reactive isomer in the mixture allowing use in a wide variety of applications. |
| priorityDate |
2011-11-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |