Patent · US Expired

Synthesis of ANSA-metallocene catalysts

US5495035A · kind A · utility

13Cited by
9References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 1, 1994
Grant dateFeb 27, 1996
Priority date
Expiry dateJun 1, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F4/61927
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A process of preparing in high yield ansa-metallocene complexes and rac-ansa-metallocene complexes by reacting an ansa-bis-cyclopentadiene compound with a metal amide complex.

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