Patent · US Expired

Chemical compound, method for the production thereof and its use in catalyst systems for producing polyolefins

US7101940B2 · kind B2 · utility

62Cited by

9References

14Claims

0Family size

Assignee

Basell Polyolefine GmbH · DE

Inventors

Jorg Schottek · Frankfurt, DE
Heike Gregorius · Kastellaun, DE
David Fischer · Breunigweiler, DE
Iris Kuellmer · Frankfurt, DE

Key dates

Filing date	Dec 21, 2000
Grant date	Sep 5, 2006
Priority date	—
Expiry date	Dec 21, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S526/943
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a chemical compound of formula (I), wherein M1 represents an element selected from main groups II, III or IV of the periodic table of elements; x is equal to 1, 2, 3 or 4; y is equal to 2, 3 or 4, and; A represents a cation of main group V of the periodic table of elements; R1 is the same or different and represents a branched or unbranched linear or cyclic C1–C40 group that contains carbon; R2 is the same or different and represents a branched or unbranched linear or cyclic C1–C40 group that contains carbon; R3 represents a branched or unbranched linear or cyclic C1–C40 group that contains carbon, and; R4 represents a hydrogen atom; whereby R2 and R3 are always different from one another

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.