Metal complexes comprising a 2,6-diacylpyridine-ligand and their use in the polymerization of ethylene
CA 2381426 C · Owner: Milani, Barbara · Inventors: Milani, Barbara; Mestroni, Giovanni; Masi, Francesco
Overview
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Open the CIPO recordAbstract From the Canadian patent
Organometallic complex having the formula (IAP)M(X)n which can be used for the formation of catalytic systems, wherein: M is a metal selected from transition metals and lanthanides in , oxidation state "s" positive and different from zero; each X is independently a group of an anionic nature bound to the metal as an anion in an ionic couple or with a covalent bond of the "6" type; "n" expresses the number of X groups sufficient for neutralizing the formal "+s" charge of the metal M, and (IAP) represents a neutral bond consisting of a mono-imine of 2,6-diacylpyridine. Said complex is prepared with relatively simple methods and can be used, combined with a suitable co-catalyst such as for …
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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.
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- Filed August 3, 2000 and granted January 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 3, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 3, 2022.
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