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.

Date of Patent:
Apr. 08, 2025

Filed:

Feb. 28, 2023
Applicant:

Armstrong World Industries, Inc., Lancaster, PA (US);

Inventors:

John E. Hughes, Lincoln University, PA (US);

Linzhu Zhang, Ephrata, PA (US);

Lori Jo L. Shearer, Millersville, PA (US);

Assignee:

AWI Licensing LLC, Wilmington, DE (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 157/00 (2006.01); C09D 1/00 (2006.01); C09D 7/20 (2018.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01);
U.S. Cl.
CPC ...
C09D 157/00 (2013.01); C09D 1/00 (2013.01); C09D 7/20 (2018.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01);
Abstract

Described herein is a coating composition suitable for application to a panel. The coating composition exhibits stability upon exposure to various temperatures, such as temperatures which induce freezing and thawing. The coating composition comprises calcium carbonate; titanium dioxide; opacity pigment composite comprising TiOencapsulated within a precipitated calcium carbonate shell; calcined diatomaceous earth; calcium chloride, aluminum hydroxide; and vinyl acrylic polymer. Described herein are also building panels coated with the coating composition and methods of their formation.


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