Oxyhalogenation process using catalyst having porous rare earth halide support
CA 2391321 A1 · Owner: Hickman, Daniel A. · Inventors: Gulotty, Robert J. Jr.; Hickman, Daniel A.; Jones, Mark E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An oxidative halogenation process involving contacting a hydrocarbon for , example, ethylene, or a halogenated hydrocarbon with a source of halogen such , as hydrogen chloride, and a source of oxygen in the presence of a catalyst so as to form a halocarbon, preferably a chlorocarbon having a greater number of , halogen substituents than the starting hydrocarbon or halogenated hydrocarbon for example, 1, 2-dichloroethane. The catalyst is a novel composition comprising copper dispersed on a porous rare earth halide support preferably, a porous rare earth chloride support. A catalyst precursor composition comprising copper dispersed on a porous rare earth oxyhalide support is disclosed. …
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 November 16, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 16, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 16, 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.