Fuel-cell fuels, methods, and systems
CA 2364537 A1 · Owner: Russell, Branch J. · Inventors: Tomlinson, Harvard L. Jr.; Russell, Branch J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fuel cell fuel, a method of making a fuel cell fuel a fuel cell system , utilizing Fischer-Tropsch feed and a method of operating a fuel cell are disclosed. The fuel cell fuel is a light Fischer-Tropsch liquid having at least 77 wt.% normal and iso-paraffins les than 20 wt.% olefins, less than 9 wt.% alcohols, less than 0.001 wt.% sulfur and less than 5 wt.% aromatics. The process of making the fuel cell fuel includes separating a heavy portion from a Fischer-Tropsch liquid, hydrocracking the heavy portion and separating a C5- C18 portion from the hydrocrackate.
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 March 30, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 30, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 2022.
- 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.