Process for manufacture of alkene oxide
CA 1286688 C · Owner: Union Carbide Corporation · Inventors: Pearce, John Ransom; Thorsteinson, Erlind Magnus; Warren, Barbara Knight
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the epoxidation of alkene to form alkene oxide comprising contacting alkene and oxygencontaining gas under epoxidation conditions in the presence of at least one gaseous efficiency-enhancing member of a redox-half reaction pair, e.g. nitric oxide, a supported silver catalyst and an efficiencyand/or activity-enhancing amount of water the cata-, lyst comprising a catalytically-effective amount of silver and an efficiency-enhancing amount of at least one efficiency-enhancing salt of a member of a redoxhalf reaction pair, e.g. potassium nitrate.
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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2008.
- 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.