US Patent 7307127 Highly sulfonated block copolymer hydrogels and uses thereof
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Patent abstract
A block copolymer composition AB is provided that has pendent groups —RZ extending from the A copolymer on at least 70 mol % of the A monomers, where R and Z are each an ionic species. The composition is included in a semipermeable membrane for use in a direct methanol fuel cell. Also described are articles of protective apparel comprising the composition which advantageously has barrier properties as well as superior water vapor transport properties.
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US Patent 07307127 Highly sulfonated block copolymer hydrogels and uses thereof US Patent 7307127 Highly sulfonated block copolymer hydrogels and uses thereof
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Patent Number
0730712700
Patent Number
730712700
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Patent Jurisdiction
Patent Number
073071270
Date of Patent
December 11, 2007
0Patent Application Number
108285210
Date Filed
April 6, 2004
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
073071270
Date of Patent
December 11, 2007
0Patent Application Number
108285210
Date Filed
April 6, 2004
0Official Website
Patent Primary Examiner
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US Patent 07307127 Highly sulfonated block copolymer hydrogels and uses thereof
Infobox
Is a
Patent jurisdiction
Patent number
07307127
Date of patent
December 11, 2007
Patent application number
10828521
Date Filed
April 6, 2004
Patent primary examiner
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