Patent · US Expired

Mixed catalyst composition for the production of olefin polymers

US6136747A · kind A · utility

18Cited by
8References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 1998
Grant dateOct 24, 2000
Priority date
Expiry dateJun 19, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S526/943
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A mixed catalyst composition comprising a) a solid Ziegler-Natta catalyst; b) a liquid single site catalyst; and c) at least one activating cocatalyst is provided. Polymers having a broad or bimodal molecular weight distribution may be made with this catalyst composition.

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