Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b55c349b43c3ecba4977fd52cc8f8c67 |
classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B29K2105-0032 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B29K2027-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B29K2995-002 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B29K2105-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D2325-38 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B29L2007-008 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D67-0027 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D69-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D67-002 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B29C55-005 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D71-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B29C55-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D39-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L27-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D39-1692 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D06P3-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D06P7-005 |
classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29K105-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29K105-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29L7-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29K27-18 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D67-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29C55-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D71-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29C55-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D06P7-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D39-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L27-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D69-02 |
filingDate |
2013-06-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate |
2017-04-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b95711f70a76b4ffa67749058538a299 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8cfa3593717152699ea0e7c84eae3dcf |
publicationDate |
2017-04-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-9616391-B2 |
titleOfInvention |
Black porous polytetrafluoroethylene membrane, method for producing same, gas-permeable membrane and ventilation member using same |
abstract |
Provided is a black porous polytetrafluoroethylene membrane including a porous polytetrafluoroethylene membrane dyed black. A whiteness of a principal face of the black porous polytetrafluoroethylene membrane as measured according to JIS L 1015 (Hunter method) is 18.0 to 23.0%, and the whiteness of the principal face falls within a range of 18.0 and 25.0% after heating at 350° C. for 1 minute. This black porous PTFE membrane is suitable as a gas-permeable membrane that blocks entry of water and/or dust and that allows permeation of gases; specifically, the black porous PTFE membrane is suitable, for example, as a waterproof sound-transmitting membrane, a waterproof gas-permeable membrane, and a dustproof gas-permeable membrane. |
priorityDate |
2012-08-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |