Improved production of hydrogen from hydrogen sulfide
CA 2341069 A1 · Owner: Lehigh University · Inventors: Wachs, Israel E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
COS, and/or CS2 is contacted, in the presence of oxygen with a vanadium, oxide supported catalyst using one or more of a variety of different metal oxide, supports, preferably selected from the group consisting of zirconia (ZrO2) ceria, (CeO2), niobia (Nb2O5), silica (SiO2) and alumina (Al2O3) to selectively , oxidize, these organic sulfur compounds to CO and SO2.
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 19, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 19, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 19, 2023.
- 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.