Patent · US Expired

High activity vanadium-based catalyst

US5177042A · kind A · utility

3Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1989
Grant dateJan 5, 1993
Priority date
Expiry dateDec 29, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F10/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A vanadium-based catalyst system is treated with an ether as a means of enhancing catalyst activity and polymer productivity.

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