Catalyst system for the preparation of polyolefins

Patent metadata

Field	Value
Publication number	US-9458271-B2
Application number	US-201314651878-A
Country	US
Kind code	B2
Filing date	Nov 25, 2013
Priority date	Dec 13, 2012
Publication date	Oct 4, 2016
Grant date	Oct 4, 2016

Abstract

A catalyst system obtainable by contacting:
A) a metal complex of formula (I)

B) an iron complex of the general formula (II)

C) an alumoxane or a compound capable of forming an alkyl cation with complexes of formula (I) and (II);

Wherein the variables are described in the description.

First claim

What is claimed is:

1. A catalyst system obtained by contacting:
A) at least one metal complex of formula (I):

wherein
M is a Group 3 to 12 transition metal or a Group 13 or 14 main group metal,
X, equal to or different from each other, is a halogen atom, a R, OR, SR, NR 2 or PR 2 group,
(i) wherein R is a linear or branched, cyclic or acyclic, C 1 -C 40 alkyl,…

Assignees

• Basell Poliolefine Italia Srl

Inventors

• Richter-Lukesova Lenka
• Mihan Shahram
• Nagy Sandor

Classifications

• B01J31/1815 Primary

  Operations & Transport · mapped topic

• B01J2531/842

  Operations & Transport · mapped topic

• C08F210/16

  Chemistry & Metallurgy · mapped topic

• B01J2531/0258

  Operations & Transport · mapped topic

• Y02P20/52

  Cross-Sectional Technologies · mapped topic