Compostable cellulose-based paper for gas barrier in packaging material
US12146267B2 · kind B2 · utility
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4References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 6, 2020 |
| Grant date | Nov 19, 2024 |
| Priority date | — |
| Expiry date | May 20, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1303
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
This invention relates to a compostable cellulose-based paper having an oxygen transmission rate of less than 10 cm3/(m2 day), when determined at 23° C. and 50% relative humidity, the compostable cellulose-based paper comprising a continuous cellulosic fiber matrix that comprises native cellulosic fibers and non-fibrous cellulosic material, wherein the content of the non-fibrous cellulosic material in the continuous cellulosic fiber matrix is of from 15 to 50 wt. %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.