Patent · US Expired

Oligomerization to alpha-olefins

US4716138A · kind A · utility

29Cited by
6References
34Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 12, 1986
Grant dateDec 29, 1987
Priority date
Expiry dateDec 12, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/52
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

An oligomerization or cooligomerization process comprising passing ethylene or a mixture of ethylene and propylene in contact with a catalyst, in the liquid phase, said catalyst comprising the reaction product of (i) a transition metal compound wherein the transition metal is selected from the group consisting of nickel, chromium, cobalt, iron, and copper, and mixtures thereof and (ii) at least one organophosphorus sulfonate ligand.

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