Electrocatalyst containing noble metals and bismuth
CA 1067141 A · Owner: Siemens Aktiengesellschaft · Inventors: Kohlmuller, Hans; Naschwitz, Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides an electrocatalyst comprising platinum, palladium and mixtures thereof and bismuth. The bismuth content is preferably between 0.5 and 70% by weight based on the catalyst. Advanta-, geously the bismuth can be partially replaced by lead. The electrocatalyst is useful in anodes for fuel cells and for determining the concentration of sugars.
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
- Granted November 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 27, 1996.
- 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.