| Predicate |
Object |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C323-25
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-3876
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B1-041
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-775 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G18-77
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G18-38
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B1-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C323-25 |
| filingDate |
2002-01-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_aa58956ffba292c03e09c3a5e8f79cfe
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_254d97c580749925ef259e34296d5a51 |
| publicationDate |
2002-10-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2002151669-A1 |
| titleOfInvention |
Polyisocyanate compounds, process for producing the same, and optical materials using the same |
| abstract |
The invention provides a novel polyisocyanate compound which is useful as a starting material for an optical material having a high refractive index, a low dispersion and excellent optical characteristics, and a process for producing this compound at good efficiency. The invention also provides an optical material having a high refractive index, a low dispersion, an excellent transparency without optical distortion and having good solvent resistance and weatherability. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9678246-B2 |
| priorityDate |
1998-07-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |