Release liner
US5178924A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1991 |
| Grant date | Jan 12, 1993 |
| Priority date | — |
| Expiry date | Jun 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.