The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 29, 2009
Filed:
Dec. 20, 2005
Joyce Hung, Niskayuna, NY (US);
Hongyi Zhou, Niskayuna, NY (US);
Marianne Elisabeth Harmon, Niskayuna, NY (US);
Daniel Joseph Brunelle, Burnt Hills, NY (US);
Hongwei Liu, Troy, NY (US);
David Roger Moore, Albany, NY (US);
Daniel Steiger, Clifton Park, NY (US);
Joyce Hung, Niskayuna, NY (US);
Hongyi Zhou, Niskayuna, NY (US);
Marianne Elisabeth Harmon, Niskayuna, NY (US);
Daniel Joseph Brunelle, Burnt Hills, NY (US);
Hongwei Liu, Troy, NY (US);
David Roger Moore, Albany, NY (US);
Daniel Steiger, Clifton Park, NY (US);
General Electric Company, Niskayuna, NY (US);
Abstract
Sulfonated block copolymer suitable for use as proton exchange membranes for fuel cells comprise sulfonated polyaryletherketone blocks and polyethersulfone blocks. The sulfonated polyaryletherketone blocks comprise structural units of formula the polyethersulfone blocks comprising structural units of formula wherein