Abrasion resistant film for biocontainers
US11110684B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 5, 2020 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | May 5, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2275/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multilayered film for biocontainers, an abrasion-resistant substrate attached to the interior or the exterior side of the film wherein the substrate is one of a polymeric woven fibrous material or a polymeric non-woven fibrous material, a woven fibrous material or a non-woven fibrous material having metal fibers, a woven fibrous material or a non-woven fibrous material having glass fibers, or a woven fibrous material or a non-woven fibrous material having carbon fibers; a polymer backing to attach the substrate to the film, including one of polyolefins, polyurethanes and nylons; an outer protective layer disposed on the outside of the substrate to encapsulate the substrate; and a gas impermeable layer that includes ethylene vinyl alcohol disposed intermediate to the substrate and the outer protective layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.