Process for the selective hydrogenation of unsaturated compounds
CA 1257876 A · Owner: Bayer Aktiengesellschaft · Inventors: Braden, Rudolf; Buding, Hartmuth; Fiedler, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the selective hydrogenation of unsaturated compounds. The selective hydrogenation of unsaturated compounds which carry reducible groups containing nitrogen succeeds in a homogeneous phase with the preservation of the reducible groups containing nitrogen characterised, in that a compound of the formula RuH2nL5-n, is used as a catalyst, in which L signifies a phosphane or arsane and, n signifies 1 or 2.
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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 25, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 25, 2006.
- 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
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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.