Catalyst adsorbent for removal of sulfur compounds for fuel cells
CA 2500425 A1 · Owner: Weston, Eric Jamie · Inventors: Northway, Kevin G.; Wagner, Jon P.; Wolfe, David C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A catalyst adsorbent for the desulfurization of a feed stream preferably in a , fuel cell, wherein the catalyst includes from 30 percent to 80 percent nickel or a nickel compound, from 5 percent to 45 percent silica as a carrier from 1 , percent to 10 percent alumina as a promoter and from 0.01 percent to 15 percent magnesia as a promoter. The invention also includes processes of manufacture of the catalyst adsorbent.
Read the whole patent
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 23, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 23, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 23, 2025.
- 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.