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US 6,417,302 B1Granted
Compounds containing boron and aluminium
AssigneeBasell Polyolefine GmbH
InventorHans Bohnen
Life of this patent
Estimating the term…
Abstract
The present invention relates to a chemical compound of the formula A The compound can be employed as a catalyst component for the polymerization of olefins.
Claims20
A compound of formula A
- wherein
- R1 represents identical or different radicals selected from the group consisting of hydrogen, C1-C20-haloalkyl, C6-C20-aryl, C6-C20-haloaryl, C6-C20-aryloxy, C7-C40-arylalkyl, C7-C40-haloarylalkyl, C7-C40-alkylaryl, C7-C40-haloalkylaryl, OSiR33 and CH(SiR43)2;
- X represents identical or different moieties selected from the group consisting of NR moieties and elements of group VIa of the Periodic Table of the Elements;
- Ra and Rb represent identical or different radicals selected from the group consisting of hydrogen, halogen, C1-C20-alkyl, C1-C20-haloalkyl, C1-C10-alkoxy, C6-C20-aryl, C6-C20-haloaryl, C6-C20-aryloxy, C7-C40-arylalkyl, C7-C40-haloarylalkyl, C7-C40-alkylaryl, C7-C40-haloalkylaryl, OSiR33 and X-BR12;
- k is an integer from 1 to 100;
- R3 represents identical or different radicals selected from the group consisting of hydrogen, halogen, C1-C20-alkyl, C1-C20-haloalkyl, C1-C10-alkoxy, C6-C20-aryl, C6-C20-haloaryl, C6-C20-aryloxy, C7-C40-arylalkyl, C7-C40-haloarylalkyl, C7-C40-alkylaryl and C7-C40-haloalkylaryl;
- R4 represents identical or different radicals selected from the group consisting of hydrogen, halogen, C1-C20-alkyl, C1-C20-haloalkyl, C1-C10-alkoxy, C6-C20-aryl, C6-C20-haloaryl, C6-C20-aryloxy, C7-C40-arylalkyl, C7-C40-haloarylalkyl, C7-C40-alkylaryl and C7-C40-haloalkylaryl;
- and
- R is hydrogen, C1-C20-alkyl or C6-C20-aryl.
6 more elements
Dependencies are inferred from the claim text.