Active film adhered to flexible packages and method thereof
US8142603B2 · kind B2 · utility
8Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2005 |
| Grant date | Mar 27, 2012 |
| Priority date | — |
| Expiry date | Oct 23, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1062
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a method of attaching an active film (5) onto a flexible package comprising the steps of heating a foil (2); applying an active film (5) to the foil (2); and applying sufficient pressure to the active film (5) and foil (2) combination and sufficient heat to the foil (2) so that active film (5) adheres to the foil (2). In one example, the active film (5) comprises two components and wherein the two components are an active agent and a polymer. In another example, the active agent is an absorbing material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.