Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Process or means for producing – recycling – or treating...
Reexamination Certificate
2011-08-02
2011-08-02
Maples, John S (Department: 1728)
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Process or means for producing, recycling, or treating...
C429S492000
Reexamination Certificate
active
07989111
ABSTRACT:
A fuel cell includes cell units each composed of a hydrogen ion conductive polymeric electrolyte membrane, a pair of electrodes arranged on the front and rear faces of the hydrogen ion conductive polymeric electrolyte membrane, and a diffusion layer contacting the electrodes to cover the electrodes. The cell units are pushed down by an end plate having a current-collecting metallic plate and a resin substrate for fixing the current-collecting metallic plate. A layer having a humidity-adjusting component is formed on the surface of the resin substrate of the end plate.
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patent: 6918404 (2005-07-01), Da Silva
patent: 7066586 (2006-06-01), Da Silva
patent: 2009/0007639 (2009-01-01), Shiozawa
patent: 2009/0104498 (2009-04-01), Wakizoe et al.
patent: 2006-049153 (2006-02-01), None
Email from Elson Silva, dated Apr. 28, 2008, subject IDS request for US 20070298294.
Kubota Osamu
Souma Kenichi
Antonelli, Terry Stout & Kraus, LLP.
Hitachi , Ltd.
Maples John S
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