| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_eb2648e65ad8850515bd727a122f1186 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L2205-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02C20-40 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-228
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L79-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D71-64 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L79-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D71-64 |
| filingDate |
2003-10-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2009-04-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8e2d9cf943275d81eaef4e71038892aa
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a855a56a1c43a3fc21866cb74c05c99f |
| publicationDate |
2009-04-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-1567250-B1 |
| titleOfInvention |
Polyimide blends for gas separation membranes |
| abstract |
The present invention provides a selectively gas permeable membrane that has a superior combination of permeability and selectively. The membrane composition includes a Type 1 copolyimide uniformly blended with a Type 2 copolyimide, which polymers are defined by chemical structure more specifically in this disclosure. The invention also provides a method of using the membrane of the copolyimide blend to separate components of gas mixtures. |
| priorityDate |
2002-12-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |