Biopolar plate for fuel cell, method for manufacturing the bipolar plate, and fuel cell using the bipolar plate
CA 2404841 A1 · Owner: Hamada, Kenichi · Inventors: Mori, Kunio; Harada, Tetsuya; Kato, Toshiya
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bipolar plate for a fuel cell includes a conductive material a novolac type , phenol, resin or a phenol dicyclopentadiene resin and a compound having at least two , ethylenically unsaturated double bonds. The conductive material is dispersed in an addition cross-linking, reaction cured composition formed by the reaction of the novolac type phenol resin or the, phenol dicyclopentadiene resin with the compound having at least two ethylenically, unsaturated double bonds. Also a method for manufacturing a bipolar plate for a fuel cell is, provided, including the steps of mixing a conductive material a novolac type , phenol resin or, a phenol dicyclopentadiene resin and a compound having …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed September 24, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 24, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 24, 2024.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.