Patent · US Expired

.pi. Allyl chromium complex catalyst and process for preparing same

US4054538A · kind A · utility

7Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 3, 1973
Grant dateOct 18, 1977
Priority date—
Expiry dateAug 3, 1993

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2531/22
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Ethylene polymerization catalyst which is .pi. allyl chromium compound in the chromium [II] valence state and supported on silica or silica-alumina, and a process for making such catalyst.

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