Ligands and catalyst systems thereof for ethylene oligomerisation to linear alpha olefins
CA 2413469 A1 · Owner: Meijboom, Nicolaas · Inventors: Meijboom, Nicolaas; Van Der Heijden, Harry; De Boer, Eric Johannes Maria
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ligands of formula (V); bis-aryliminepyridine MXn complexes comprising a ligand of formula (V), wherein M is a metal selected from Fe and Co n is 2 or , 3, and X is halide, optionally substituted hydrocarbyl alkoxide, amide, or , hydride; bis-aryliminepyridine MYp.Ln+NC-q complexes comprising a ligand , of formula (V), wherein Y is a ligand which may insert an olefin M is Fe or , Co, NC- is a non-coordinating anion and p+q is 2 or 3 matching the formal , oxidation of the metal atom M L is a neutral Lewis donor molecule and n = 0 1, or 2; and processes for the production of alpha-olefins from ethylene using said complexes.
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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
- Filed June 28, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 28, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 28, 2023.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.