Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_340649364548937a01cef840349f4fca |
classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-31971 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-249981 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-249953 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-3154 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D2325-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D2323-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-249964 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D71-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D71-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D69-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D63-1031 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D63-103 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D67-0016 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D61-145 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B32B3-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D- http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B32B3-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B32B29-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B32B27-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B32B27-00 |
filingDate |
2004-09-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate |
2009-04-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_97a37215c685e19634500435ef3d7510 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_565b89d7303f3ca6985e33eaf1a4df66 |
publicationDate |
2009-04-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-7517581-B2 |
titleOfInvention |
Semipermeable hydrophilic membrane |
abstract |
A hydrophilic semipermeable membrane can include a porous polymeric structure containing a blend of PVDF and hydroxyalkylcellulose. The membrane may be used for ultrafiltration. A method of making a hydrophilic semipermeable membrane can include providing a blend containing PVDF and hydroxyalkylcellulose, forming the blend into a porous polymeric structure, and purifying the porous polymeric structure. |
isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8205754-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2010000937-A1 |
priorityDate |
2003-09-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |