| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_78ca80ad4b743c901ec136b21263f093 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-31507
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-31504
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-31721
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-31681
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-249921
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-269
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-266
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-252
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-25
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-254
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-251
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-268
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-253
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-31533 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-1028
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L79-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G77-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-1007
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D179-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J3-12 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G73-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L79-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D179-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09C3-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L87-00 |
| filingDate |
2003-03-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cbab81e9b44ed46dcf5de0104268015f |
| publicationDate |
2004-12-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-1487900-A1 |
| titleOfInvention |
Preparation of polyimide polymers |
| abstract |
A process for the preparation of a reactive friable polyimide powder comprises dissolving an aromatic dianhydride and an organic diamine in a high-boiling, aprotic organic solvent to form a reaction solution; heating the reaction solution under imidization conditions to form an insoluble reactive polyimide and to effect substantially complete distillation of the water of reaction out of the reaction solution; and separating the insoluble reactive polyimide from the reaction solution to form a reactive friable polyimide powder. |
| priorityDate |
2002-03-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |