Olefin polymerization catalyst and process for the polymerization of olefins
CA 1330986 C · Owner: Okawa, Kazunori · Inventors: Tsutsui, Toshiyuki; Toyota, Akinori; Okawa, Kazunori
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In accordance with the present invention there, are provided an olefin polymerization catalyst formed from:, A a compound of a transition metal belonging to Group IV B of the periodic table, B an aluminoxane and, C water, an olefin polymerization catalyst formed from D an organoaluminim compound in addition to the above-mentioned A, B and C components, and processes for the polymerization olefins using the above-mentioned olefin polymerization catalysts, respectively.
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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 July 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 26, 2011.
- 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.