Patent · US Active

Process for the formation of a porous film assembly

US11097527B2 · kind B2 · utility

0Cited by

4References

17Claims

0Family size

Assignee

W.L. Gore & Associates GmbH · DE

Inventors

Alexander Zaggl · Feldkirchen-Westerham, DE
Michael Rittmann · Ditzingen, DE

Key dates

Filing date	Feb 24, 2016
Grant date	Aug 24, 2021
Priority date	—
Expiry date	Jan 22, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG09G2380/14
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A process for the formation of an assembly comprising a structured or compacted porous film (c) comprising a) application of a porous film (d) onto an elastic substrate (a) in a stretched state such that a reversible adhesion of the film on the stretched substrate (a) occurs, and b) relaxing the substrate (a) with the applied film thereon to obtain a structured or compacted porous film (c), c) applying a support material (e) to a part of the structured or compacted film (c) so that the structured or compacted film to which no support material (e) is attached is releasable.

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