| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6fd83303735006e917a468db06a7a140 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C265-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-00051
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-00006
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-00231
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-00698
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-00202
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-00166
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2219-00186 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-76
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C263-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-7664
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C265-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J19-002 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C263-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G18-76 |
| filingDate |
2016-09-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2020-07-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_900e53b9e604be37eed280b8f98f733d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_81a67faf7f13fef3d4d0ea9af4dc9d81 |
| publicationDate |
2020-07-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
RU-2725628-C2 |
| titleOfInvention |
Method of controlling method of producing polyisocyanates |
| abstract |
FIELD: chemical or physical processes. n SUBSTANCE: invention relates to controlling production of polyisocyanates. Disclosed is a method of producing aromatic polyisocyanate in an apparatus for producing isocyanates containing a reactor section for a phosgenation reaction, where primary aromatic amine reacts with phosgene compounds in reactor section to obtain reaction product containing isocyanate, and where concentration of CO 2 in gases coming from reactor section, measured and analyzed, and wherein the phosgenation reaction conditions are controlled when CO 2 concentration in gases coming from the reactor section is higher than the background concentration of CO 2 . Also disclosed is version of proposed method for installation containing extraction section. n EFFECT: technical result is that the disclosed methods allow analyzing formation of by-products during the process and minimizing the amount thereof. n 15 cl, 4 dwg, 1 ex |
| priorityDate |
2015-10-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |