Patent · US Expired

Catalyst for trimerization of ethylene and process for trimerizing ethylene using the catalyst

US6900152B2 · kind B2 · utility

17Cited by
18References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 28, 2001
Grant dateMay 31, 2005
Priority date
Expiry dateDec 12, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/52
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A catalyst used for trimerization of ethylene into 1-hexene is descrobed, which comprises (i) a specific organometallic complex having a neutral multidentate ligand having a tripod structure, (ii) an alkylaluminoxane, and an optional ingredient selected from: (iii) a halogenated inorganic compound, (iv) a specific alkyl group-containing compound, (v) a combination of a halogenated inorganic compound with a specific alkyl group-containing compound, (vi) an amine compound and/or an amide compound, and (vii) a combination of an amine compound and/or an amide compound with a specific alkyl group-containing compound.

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