Pouches for packaging flowable materials in pouches
US5721025A · kind A · utility
68Cited by
5References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1995 |
| Grant date | Feb 24, 1998 |
| Priority date | — |
| Expiry date | Dec 5, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An environmentally friendly polymer film pouch made from a polyethylene film structure for the packaging of flowable materials, for example, milk. The film may be a monolayer or multilayer structure, such as two-layer or a three-layer coextruded film containing at least one layer of a blend of an ultra low density polyethylene and a high pressure low density polyethylene as a seal layer having high melt strength. Also disclosed is a process for making the pouch for packaging flowable materials using a film structure described hereinabove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.