Patent · US Active

Metallocene and half sandwich dual catalyst systems for producing broad molecular weight distribution polymers

US8865846B2 · kind B2 · utility

9Cited by
62References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 25, 2012
Grant dateOct 21, 2014
Priority date
Expiry dateNov 28, 2032

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2410/07
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Disclosed herein are polymerization processes for the production of olefin polymers. These polymerization processes can use a dual catalyst system containing a zirconium or hafnium based metallocene compound and a titanium based half-metallocene compound containing an indenyl group.

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