Patent · US Active

Use of temperature and ethylene partial pressure to introduce long chain branching in high density polyethylene

US8796409B2 · kind B2 · utility

5Cited by
9References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 4, 2011
Grant dateAug 5, 2014
Priority date—
Expiry dateOct 4, 2031

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F4/6592
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention describes the preparation of long chain branching in high density polyethylene by using metallocene catalysts in the presence of ethylene.

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