Patent · US Active

Multilayer cast films and methods of making thereof

US11420429B2 · kind B2 · utility

0Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 2018
Grant dateAug 23, 2022
Priority date
Expiry dateFeb 7, 2039

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2205/025
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Embodiments disclosed herein include multilayer cast films having a cling layer and a release layer, wherein the cling layer comprises (i) a first polyethylene composition, and (ii) ultra-low density polyethylene, very low density polyethylene, ethylene/alpha-olefin elastomer, propylene-based elastomer, or combinations thereof; and the release layer comprises a second polyethylene composition.

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