US 12,139,641 B2
High solids edge coatings for building panels
John E. Hughes, Lincoln University, PA (US)
Assigned to AWI Licensing LLC, Wilmington, DE (US)
Filed by ARMSTRONG WORLD INDUSTRIES, INC., Lancaster, PA (US)
Filed on Jan. 26, 2021, as Appl. No. 17/158,614.
Application 17/158,614 is a continuation of application No. 16/114,340, filed on Aug. 28, 2018, granted, now 10,961,404.
Claims priority of provisional application 62/551,514, filed on Aug. 29, 2017.
Prior Publication US 2021/0147698 A1, May 20, 2021
Int. Cl. C09D 7/63 (2018.01); C09D 7/40 (2018.01); C09D 7/61 (2018.01); C09D 131/04 (2006.01); E04B 9/04 (2006.01); E04B 9/24 (2006.01); E04B 9/28 (2006.01); C08K 3/013 (2018.01); C08K 5/10 (2006.01)
CPC C09D 7/63 (2018.01) [C09D 7/61 (2018.01); C09D 7/69 (2018.01); C09D 131/04 (2013.01); E04B 9/04 (2013.01); E04B 9/0435 (2013.01); E04B 9/241 (2013.01); E04B 9/28 (2013.01); C08K 3/013 (2018.01); C08K 5/10 (2013.01); C08K 2201/005 (2013.01); C08L 2205/03 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A coating composition comprising:
inorganic pigment;
liquid carrier; and
a humectant comprising a first ester-containing compound; and
wherein the liquid carrier is present in an amount ranging from about 10 wt. % to about 30 wt. % based on the total weight of the coating composition;
wherein the humectant is present in an amount ranging from about 0.25 wt. % to about 2.5 wt. % based on the total weight of the coating composition; and
wherein the humectant is a blend of the first ester-containing compound and a second ester-containing compound that is different from the first ester-containing compound.