Catalysts for the preparation of elastomeric, saturated or unsaturated olephinic copolymers, and copolymers obtained with them
CA 1295083 C · Owner: Zucchini, Umberto · Inventors: Zucchini, Umberto; Cuffiani, Illaro; Margelli, G. Francesco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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CATALYSTS FOR THE PREPARATION ELASTOMERIC SATURAT-, ED OR UNSATURATED OLEFINIC COPOLYMERS AND COPOLYMERS, OBTAINED WITH THEM". ABSTRACT OF DISCLOSURE Catalyst for the preparation of copolymers of ethylene and/or alpha-olefins and optionally dienes obtained by, reacting an Al-alkyl with a solid catalytic component compris ing:, (A) a magnesium compound containing at least an Mg-halogen bond;, (B) a halogenated compound of at least partly trivalent Ti or V, containing at least a Ti-OR or V-OR bond wherein, the Mg/Ti(V), halogen/Ti(V), halogen/Mg and OR/Ti(V) ato mic ratios are comprised within determined ranges; (C) an electron-donor compound. Elastomeric copolymers endowed with improved …
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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 January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 2009.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.