Patent · US Expired

Process for preparing copolymers and blend compositions containing the same

US7166676B2 · kind B2 · utility

39Cited by
77References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 2002
Grant dateJan 23, 2007
Priority date
Expiry dateOct 20, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2205/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A process for the preparation of blends including an ethylene copolymer by copolymerizing ethylene and at least one comonomer selected from a compound represented by the formula H2C═CHR wherein R is an alkyl group or an aryl group, and a diene, in the presence of a solid catalyst system comprising a support, a transition metal compound and an activator capable of converting the transition metal compound into a catalytically active transition metal complex.

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