Biobased barrier coatings comprising polyol/saccharide fatty acid ester blends
US11085152B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jun 28, 2019 |
| Grant date | Aug 10, 2021 |
| Priority date | — |
| Expiry date | Jul 24, 2039 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention describes tunable methods of treating cellulosic materials with a barrier coating comprising at least two polyol and/or saccharide fatty acid ester that provides increased water, oil and grease resistance to such materials without sacrificing the biodegradability thereof. The methods as disclosed provide for adhering of the barrier coating on articles including articles comprising cellulosic materials and articles made by such methods. The materials thus treated display higher hydrophobicity and lipophobicity and may be used in any application where such features are desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.