Stoppers comprising a cork substrate and a composite barrier layer comprising reactive hot melt polyurethane adhesive
US7993743B2 · kind B2 · utility
3Cited by
5References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 6, 2003 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Aug 15, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A stopper, particularly for a wine bottle, comprising a barrier layer comprising a hot melt polymetric adhesive and optionally at least one sub-layer having lower oxygen permeability than the hot melt adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.