Dimensionally stable recyclable plastic package
US10889093B2 · kind B2 · utility
3Cited by
0References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 19, 2019 |
| Grant date | Jan 12, 2021 |
| Priority date | — |
| Expiry date | Dec 19, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2555/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Described herein is a sheet comprising: a multi-layer structure comprising: a plurality of layers including an uppermost layer and a lowermost layer, each of the plurality of layers having a molecular orientation that results in a stress value for each layer; wherein the stress value of at least two of the plurality of layers are non-zero and different from one another; and wherein the multi-layer structure has a net stress value that is less than the greater stress value of the plurality of layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.