Polysaccharide coatings with oxygen barrier properties
US11447652B2 · kind B2 · utility
3Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2018 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Dec 2, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2405/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed herein are coated articles comprising a substrate having at least one surface, and a coating composition disposed in a substantially continuous layer on at least one surface of the substrate, wherein the coating composition is present in an amount sufficient to increase the oxygen barrier property of the substrate, and the coating composition comprises a polysaccharide derivative. The polysaccharide derivative can comprise a poly alpha-1,3-glucan ether compound, such as a quaternary ammonium alpha-1,3-glucan ether. Also disclosed is packaging comprising the coated article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.