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US 2022/0064868 A1Published application
Thermoformable Ovenable Recyclable Coated Cellulosic Board, Ovenable Recyclable Coated Cellulosic Board Food Vessels Thermoformed Therefrom, and Methods for Manufacturing and Using Thereof
AssigneeWestRock MWV, LLC
InventorBarry G. CALVERT
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Abstract
A method for manufacturing a thermoformable ovenable coated cellulosic board includes emulsion coating an aqueous-based polymer-emulsion basecoat on a first major side of a cellulosic board substrate and emulsion coating an aqueous-based polymer-emulsion barrier topcoat on the aqueous-based polymer-emulsion basecoat.
Claims23
A method for manufacturing a thermoformable ovenable recyclable coated cellulosic board, comprising:
- emulsion coating an aqueous-based polymer-emulsion basecoat on a first major side of a cellulosic board substrate;
- and
- emulsion coating an aqueous-based polymer-emulsion barrier topcoat on the aqueous-based polymer-emulsion basecoat.
The method of claim 16 further comprising scoring the blank.
A coated cellulosic board comprising:
- a cellulosic board substrate having a first major side and a second major side;
- a multilayer thermoformable ovenable coating comprising:
- an aqueous-based polymer-emulsion basecoat on the first major side of the cellulosic board substrate;
- and
- an aqueous-based polymer-emulsion barrier topcoat on the aqueous-based polymer-emulsion basecoat.
2 more elements
17-37. (canceled)
41-42. (canceled)
(canceled)
Dependencies are inferred from the claim text.