US Patent 7598337 Mixed-sulfonation block copolymers

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Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

75983370

Patent Inventor Names

Marianne Elisabeth Harmon0

Hongwei Liu0

Hongyi Zhou0

Joyce Hung0

Daniel Joseph Brunelle0

David Roger Moore0

Date of Patent

October 6, 2009

Patent Application Number

113143370

Date Filed

December 20, 2005

Patent Primary Examiner

‌

Randy Gulakowski

Patent abstract

Sulfonated block copolymers that may be used as membranes for fuel cells include sulfonated polyaryletherketone blocks and lightly sulfonated polyethersulfone blocks.

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