Patent · US Expired

Method of reducing breakdown in polyethylene film

US4013622A · kind A · utility

43Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 23, 1975
Grant dateMar 22, 1977
Priority date—
Expiry dateJun 23, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L71/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The addition of 200-500 ppm of polyethylene glycol (mw 1,300-7,500) to polyethylene film reduces the incidence of breakdown at typical operating conditions.

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