Novel late transition metal catalyst complexes and oligomers therefrom
CA 2404017 A1 · Owner: Exxonmobil Research And Engineering Company · Inventors: Stibrany, Robert Timothy; Zushma, Stephen; Matturo, Michael Gerard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is directed towards a composition comprising the formula LMX(X')n wherein n equals 0 or 1; X and X' are independently selected from the group consisting of halides, hydride, triflate acetates, borates, C1 through , C12 alkyl C1 through C12 alkoxy, C3 through C12 cycloalkyl C3 through C12 , cycloalkoxy, aryl, thiolates carbon monoxide, cyanate, olefins, and any other moiety into which a monomer can insert; M is selected from the group consisting of nickel, palladium, and platinum and L is a nitrogen-containing bidentate ligand with more than two nitrogen atoms. The composition possesses a tetrahedral or pseudo-tetrahedral structure. The invention also provides a method …
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
- Filed March 13, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 13, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 13, 2023.
- 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.