Hydrogenation of olefinically hydrocarbons
CA 1048553 A · Owner: Shell Canada Limited · Inventors: Balas, Jaroslav G.; Baumgartner, Herman J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The hydrogenation of olefinically unsaturated hydrocarbons in the presence of a catalyst comprising the reaction product of an organometallic reducing agent and an alkoxide or carboxylate of cobalt, nickel or iron is interrupted by, injecting a supplementary amount of an organometallic reducing agent. Subsequent to interruption the hydrogenation may be reactivated by adding an alcohol or a supplementary amount of a carboxylate or alkoxide of cobalt nickel or iron.
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 February 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 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.