Patent · US Active

Method for improving ethylene polymerization reactions

US9109058B2 · kind B2 · utility

0Cited by
2References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 14, 2013
Grant dateAug 18, 2015
Priority date
Expiry dateNov 14, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F10/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention relates to a method for initiating an ethylene polymerization reaction in an ethylene polymerization loop reactor. More particularly, the invention relates to the timing upon which hydrogen is introduced into the ethylene polymerization loop reactor. The catalysts used in the ethylene polymerization reaction according to present invention are preferably metallocene catalysts.

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