| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c7ad58d3c0b071069a8ee0cb8c8ba2e8 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C209-78
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-7664
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C263-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G61-02 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C265-14 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C209-78
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G61-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C265-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C263-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G18-76 |
| filingDate |
2003-09-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f0961edbf8c6344618b0f09cd962382d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2a94a36e3a005ded08620bf6334f24bc
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a9ac1780ef104bce4d1be75c1d1a6c12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fb1edd8000097ec4a74ec953d1a679b5 |
| publicationDate |
2004-04-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
KR-20040028563-A |
| titleOfInvention |
Process for the Production of Polyisocyanates of the Diphenylmethane Series by Phosgenation of Non-neutralised Polyamine of the Diphenylmethane Series |
| abstract |
The present inventionn n n a) reacting aniline and formaldehyde in the presence of HCl to provide a product mixture containing diphenylmethane-based polyamines, HCl, aniline and water,n n n b) removing excess aniline and water by distillation to provide a product mixture comprising up to 10 weight percent aniline based on diphenylmethane polyamine, HCl, polyamine and up to 5 weight percent water based on polyamine , Andn n n c) phosgenating the product mixture of b)n n n It relates to a method for producing a diphenylmethane-based polyisocyanate containing. |
| priorityDate |
2002-09-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |