The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 29, 2026
Filed:
Aug. 25, 2021
Applicant:
Westrock Mwv, Llc, Atlanta, GA (US);
Inventor:
Barry G. Calvert, Covington, VA (US);
Assignee:
WestRock MWV, LLC, Atlanta, GA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21J 1/08 (2006.01); B65D 5/56 (2006.01); B65D 81/34 (2006.01); D21H 19/82 (2006.01); D21H 19/84 (2006.01); D21H 21/16 (2006.01); D21J 3/10 (2006.01);
U.S. Cl.
CPC ...
D21J 1/08 (2013.01); B65D 5/563 (2013.01); B65D 81/343 (2013.01); D21H 19/82 (2013.01); D21H 19/84 (2013.01); D21H 21/16 (2013.01); D21J 3/10 (2013.01);
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.