Process for producing solid catalyst for polymerization of olefins
CA 1307516 C · Owner: Kioka, Mamoru · Inventors: Kioka, Mamoru; Kashiwa, Norio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for producing a solid catalyst for polymerization of olefins, which comprises bringing a solution of an aluminoxane into contact with a suspension of a particulate carrier having supported thereon a compound of a transition metal of Group IVB of the periodic table in a solvent in which the aluminoxane is insoluble or sparingly soluble. In another aspect the, invention provides a process for producing a solid catalyst for polymerization of olefins, which comprises bringing a suspnension of a particulate carrier having supported thereon a compound of a transition metal of Group IVB of the periodic table in a solution of an aluminoxane into contact with a solvent in which the …
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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 15, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 15, 2009.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.