Patent · US Active

Barrier window spacer with enhanced durability

US11391084B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

Amcor Flexibles Denmark ApS · DK

Inventors

Peter Ettridge · Worcester, GB
Paul Schlemmer
Galina Ourieva · Amougies, BE

Key dates

Filing date	Dec 18, 2018
Grant date	Jul 19, 2022
Priority date	—
Expiry date	Feb 11, 2039

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE06B2003/66338
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A window spacer may include a spacer substrate having two pane contact surfaces, an adhesive surface, and a glazing interior surface. A multilayer barrier film is in contact with the adhesive surface of the spacer substrate. The multilayer barrier film includes at least two first polymeric layers and at least two inorganic layers. The inorganic layers are separated by a second polymeric layer. The second polymeric layer has a thickness lower than 5 μm, preferably lower than 4 μm, more preferably having a thickness between 1 μm and 4 μm.

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