Treatments for microwave popcorn packaging and products
US5690853A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1995 |
| Grant date | Nov 25, 1997 |
| Priority date | — |
| Expiry date | Sep 27, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2581/3494
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In one form of the invention, a microwave popcorn package is provided. The package generally comprises a sheet construction of flexible paper folded in the form of an expandable bag. The sheet construction may include one or more plies of material. In preferred applications, the package includes an inner ply of paper to which has been applied an adhesive, to provide improvement in greaseproofness. In some preferred arrangements, the package includes inner and outer plies, and the outer ply also includes an adhesive applied to it, to provide grease-resistant character. A preferred method for preparing arrangements according the present invention is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.