Dimensionally stable recyclable plastic package
US11485121B2 · kind B2 · utility
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15Claims
0Family size
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Inventor
Key dates
| Filing date | Nov 20, 2020 |
| Grant date | Nov 1, 2022 |
| Priority date | — |
| Expiry date | Nov 20, 2040 |
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.