Patent · US Expired

Ethylene oligomerization process

US4503279A · kind A · utility

9Cited by
2References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 11, 1984
Grant dateMar 5, 1985
Priority date
Expiry dateJun 11, 2004

Classification

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

Abstract

Ethylene is oligomerized to linear, alpha-olefins by reacting ethylene in liquid phase solution in the presence of a catalyst composition produced by contacting in the presence of ethylene (1) a simple divalent nickel salt, (2) a boron hydride reducing agent, and (3) an o-dihydrocarbylphosphinophenyl alcohol or lower alkyl ether.

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