US 11,999,870 B2
Building panel coatings
David A. Smith, York, PA (US); Anna G. Fazzini, Grove City, OH (US); Dino J. Capers, Lititz, PA (US); and Christian Busque, Lititz, PA (US)
Assigned to AWI Licensing LLC, Wilmington, DE (US)
Filed by ARMSTRONG WORLD INDUSTRIES, INC., Lancaster, PA (US)
Filed on Nov. 30, 2021, as Appl. No. 17/538,678.
Claims priority of provisional application 63/120,870, filed on Dec. 3, 2020.
Prior Publication US 2022/0177710 A1, Jun. 9, 2022
Int. Cl. C09D 5/18 (2006.01); C09D 5/02 (2006.01); C09D 7/45 (2018.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01); C09D 131/04 (2006.01); E04B 9/04 (2006.01); E04C 2/02 (2006.01); E04B 9/28 (2006.01)
CPC C09D 5/022 (2013.01) [C09D 5/025 (2013.01); C09D 5/027 (2013.01); C09D 5/028 (2013.01); C09D 5/18 (2013.01); C09D 7/45 (2018.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01); C09D 131/04 (2013.01); E04B 9/04 (2013.01); E04C 2/02 (2013.01); E04B 9/28 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A building panel coating composition comprising:
calcium carbonate;
aluminum hydroxide;
zinc borate;
a rheology modifier;
a defoamer;
a dispersing agent;
a whitening pigment, and an anionic wax emulsion; and
wherein the rheology modifier is non-ionic, water-soluble hydroxyethylcellulose surface-treated with glyoxal.