Multi-layered bags and methods of manufacturing the same
US9056697B2 · kind B2 · utility
0Cited by
165References
32Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 15, 2008 |
| Grant date | Jun 16, 2015 |
| Priority date | — |
| Expiry date | Jul 18, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2439/70
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A bag can include walls formed of a material having multiple layers, one of which can be a layer of nonwoven material. A polyolefin layer can be joined to an outer face of the nonwoven layer. One or more films can be joined to an inner face of the nonwoven layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.