http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112368287-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_93a902eab5bada1390302b0129bb6a23 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J2379-08 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D493-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D179-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-1078 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J5-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-1007 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-10 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D493-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G73-10 |
| filingDate | 2019-08-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7d7b50ba4787af013bd4d93b740a2e6a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_da035a1d8dedc02842023d24fe738af4 |
| publicationDate | 2021-02-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-112368287-A |
| titleOfInvention | Tetracarboxylic dianhydride, polyimide precursor resin, polyimide, polyimide precursor resin solution, polyimide solution and polyimide film |
| abstract | A tetracarboxylic dianhydride, which is represented by the following general formula (1): [In formula (1), R 1 , R 2 , and R 3 each independently represent a hydrogen atom or the like, and n represents an integer of 0 to 12. ], wherein the content of the isomer (A) represented by the specific general formula is 40 mol % to 98 mol % relative to the total amount of the stereoisomers, and is represented by The content of the isomer (B) represented by the specific general formula is 2 mol % to 60 mol % with respect to the total amount of the stereoisomers, and the total amount of the isomers (A) and (B) It is 42 mol% or more with respect to the total amount of the said stereoisomer. |
| priorityDate | 2018-08-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 229.