Patent · US Expired

Electron donors

US6399837B1 · kind B1 · utility

15Cited by
12References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 5, 2000
Grant dateJun 4, 2002
Priority date
Expiry dateJun 5, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/081
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A method of polymerizing at least one olefin comprising contacting the olefin with a catalyst composition comprising:1) a procatalyst composition comprising a magnesium and titanium-containing component and an electron donor compound of the structure: wherein R1 is ethoxy, and R2 is an alkoxy group having from one to ten carbon atoms, and R3-R6 are each individually, hydrogen, hydrocarbyl, hydrocarboxy, nitro, a silyl group or a halogen,2) a cocatalyst and optionally3) a selectivity control agent.

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