CATALYST COMPONENTS FOR .alpha. OLEPHINE-POLYMERIZING CATALYSTS AND PROCEDURE FOR MANUFACTURING SAME
CA 1285262 C · Owner: Neste Oy · Inventors: Garoff, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A catalyst component for alpha olefine-polymerizing catalysts which comprise an organoaluminum compound an external, electron donor, and a solid catalyst compound obtained when a solid carrier component containing magnesium has reacted with a titanium halide compound, in addition to a procedure for manufacturing the same. The catalyst component is produced by reacting a solid carrier component with a titanium halide compound with or without the presence of an internal electron donor. The solid carrier component is prepared by, (a) dissolving, in hydrochloric acid a magnesium compound, selected from the group consisting of magnesium hydroxide magnesium, carbonate, magnesium oxide, and …
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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 June 25, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 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
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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.