http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-3896497-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_121bb5d2997879ac0f3fda2e20385d10 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-8054 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B1-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B1-041 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-524 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-523 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-526 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-521 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-7671 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-242 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-3876 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L75-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B1-04 |
| filingDate | 2021-03-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6a56bda51f8b61ed230e693ca98a6838 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a2d74d4d0944ea2367dcc1f6edaff1db http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_76d4483db708cf2ac6caf4efeaed1542 |
| publicationDate | 2021-10-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-3896497-A1 |
| titleOfInvention | Method for producing polymerizable composition for optical materials, method for producing transparent resin, and method for producing lens base material |
| abstract | The present invention provides a novel method for producing a polymerizable composition for optical materials, in which the occurrence of gelation is suppressed even though an organophosphorus compound is used during the preparation of a polymerizable composition for optical materials of a thiourethane-based resin having a high refractive index and suppressed coloration, and the like. A method for producing a polymerizable composition for optical materials, the method including: a step of providing an organophosphorus compound, a polyisocyanate, a first polythiol, and a second polythiol; and a step of mixing the polyisocyanate and the first and second polythiols in the presence of the organophosphorus compound to obtain a polymerizable composition for optical materials, wherein, in the mixing step, the first polythiol and the second polythiol are mixed in advance to prepare a polythiol mixture, and then the polythiol mixture is mixed with the polyisocyanate. |
| priorityDate | 2020-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 652.