CATALYST COMPOSITION FOR POLYMERIZING .alpha.-OLEFINS
CA 1288891 C · Owner: Mobil Oil Corporation · Inventors: Hagerty, Robert Olds; Mohring, Richard Otto; Allen, Luanne Mary
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A catalyst composition for polymerizing alphaolefins is prepared by reacting a transition metal compound, e.g. titanium, with trimethylaluminum catalyst activator. In a preferred embodiment the, catalyst is supported on a porous refractory support and is prepared by additionally reacting a magnesium compound or an organomagnesium composition with the support. Also disclosed is a process for polymerizing alpha-olefins in the presence of the catalyst of the invention. The polymer products have narrow molecular weight distribution, higher bulk density and produce films of greater strength than polymers prepared with similar catalysts utilizing different …
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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 September 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 10, 2008.
- 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.