CATALYST COMPONENTS FOR POLYMERIZATION CATALYSTS OF .alpha.-OLEFINES AND A METHOD FOR THEIR PRODUCTION
CA 1306990 C · Owner: Seppanen, Hanneli · Inventors: Seppanen, Hanneli
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns catalyst components for such polymerization catalyst of .alpha.-olefines that consist of an organoaluminium compound, an electron donor as well as a solid catalyst component which has been obtained when a compound containing magnesium reacts with a titanium halogen compound, and a method for the production of the catalyst components. The catalyst component is manufactured by bringing a solid catalyst component which has been produced by, a) allowing a magnesium alkyl compound to react with a chlorinating compound, b) dissolving the chlorinated magnesium alkyl compound in alcohol after possible washing, c) adding into the solution magnesium silicate which has not been …
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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 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 2009.
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Timeline
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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.