Process for preparing internal olefins
CA 1289975 C · Owner: Suzukamo, Gohfu · Inventors: Fukao, Masami; Suzukamo, Gohfu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for isomerizing an olefin to an internal olefin in the presence of a solid base which is obtainable by heating an alkali metal hydride and alumina which has been pretreated with at least one salt selected from the group consisting of alkali metal carbonates and alkali metal aluminates, in an atmosphere of an inert gas at a temperature of 200 to 450°C.
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 October 1, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 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.