| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7007b2d8585f9139b339e14a26a83854 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2602-42 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D307-93
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-105
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-1078
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C69-753
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D179-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-1042
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-10 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-753
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D307-93
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G73-10 |
| filingDate |
2018-02-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6ee5b0c831dc6a565a7aad90593ee117
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_347e24c491ca3367b415dcc00d35eb0e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_002591ee18ca042d0d1d03ef10cfe2fe |
| publicationDate |
2019-10-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
KR-20190116408-A |
| titleOfInvention |
Tetracarboxylic dianhydride, carbonyl compound, polyimide precursor resin and polyimide |
| abstract |
At least one acid dianhydride (A) selected from the group consisting of a compound having an endo / exo type steric structure represented by a specific general formula and a compound having an exo / endo type steric structure which is an enantiomer thereof, and / or An acid dianhydride (B) having an endo / endo type stereo structure represented by a specific general formula, and further comprising the acid dianhydride (B) relative to the total amount of the acid dianhydride (A) and (B) Tetracarboxylic dianhydride whose content of is 30-100 mol% in molar ratio. |
| priorityDate |
2017-02-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |