Patent · US Expired

Release liner

US5178924A · kind A · utility

23Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 1991
Grant dateJan 12, 1993
Priority date
Expiry dateJun 17, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24124
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A release liner comprising: PA0 (a) a reinforced, non-woven sheet composite comprising two layers, one of the layers being composed of a plurality of substantially randomly orientated fibers and the other layer being composed of substantially lineally-aligned fibrous reinforcement material; and PA0 (b) a release layer on one or more of the layers of the non-woven sheet composite, the release layer comprising at least one of the following: an olefinic homopolymer, an olefinic copolymer, or a copolymer of an olefin and a polar comonomer.

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