Sol-gel hybrid materials containing precious metals as catalysts for partial oxidation of hydrocarbons
CA 2370815 A1 · Owner: Bayer Aktiengesellschaft · Inventors: Wiessmeier, Georg; Wegener, Gerhard; Weisbeck, Markus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for producing a composition containing gold and/or silver particles and an amorphous organically inorganic mixed oxide of , titanium and silicon. The invention also relates to the compositions which can be produced according to this method, in addition to the use thereof as catalysts for the selective oxidation of hydrocarbons in the presence of molecular oxygen and a reducing agent.
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 April 11, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 11, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 11, 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.