Heat shrinkable barrier bags with anti block additives
US6531198B2 · kind B2 · utility
13Cited by
8References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2001 |
| Grant date | Mar 11, 2003 |
| Priority date | — |
| Expiry date | Apr 14, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31928
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multiple layer polymeric film having five layers and wherein an antiblock additive and an slip additive may optionally and independently be present in layers 1, 2, 4 and 5 and wherein said antiblock additive may be a blend of two or more antiblock additives and wherein both of said slip additive and said antiblock additives are present at about 0.1%-10%, based on the total weight of the layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.