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US 11,230,812 B2Granted
Polysaccharide coatings for paper
AssigneeNutrition & Biosciences USA 4, Inc.
InventorNatnael Behabtu
Life of this patent
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Abstract
Coating compositions that can provide grease and oil resistant coating for substrates, especially paper and textile substrates, are disclosed. The coating compositions comprise water insoluble α-(1,3-glucan) polymer and/or dextran polymer and optionally other additives.
Claims13
A coated substrate that comprises:
- a substrate and wherein at least a portion of the substrate is coated with a continuous layer of a coating composition,
- wherein the coating composition comprises polyvinyl alcohol and a water-insoluble α-1,3-glucan polymer having 90% or greater α-1,3-glycosidic linkages, and the substrate is paper, paper board, cardboard, or corrugated board.
Dependencies are inferred from the claim text.