# US 11,999,870 B2 · Building panel coatings > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,999,870 B2 - Document ID: US11999870B2 - Status: Granted - Kind: B2 - Application number: 17/538,678 - Filed: 2021-11-30 - Published: 2022-06-09 - Granted: 2024-06-04 - Earliest claimed: 2020-12-03 - Assignees: AWI Licensing LLC - Applicants: Armstrong World Industries, Inc. - Inventors: David A. Smith; Anna G. Fazzini; Dino J. Capers; Christian Busque - Web page: https://patentgrep.com/patent/US11999870B2 ## CPC - C09D 5/022: {Emulsions, e.g. oil in water} - C09D 5/025: {Preservatives, e.g. antimicrobial agents} - C09D 5/027: {Dispersing agents (anti-settling agents C09D7/45)} - C09D 5/028: {Pigments; Filters} - C09D 5/18: Fireproof paints {including high temperature resistant paints} - C09D 7/43: Thickening agents - C09D 7/45: Anti-settling agents - C09D 7/61: inorganic - C09D 7/65: macromolecular (C09D7/41-C09D7/48 take precedence) - C09D 131/04: Homopolymers or copolymers of vinyl acetate - C09D 191/08: Mineral waxes - E04B 9/04: comprising slabs, {panels,} sheets or the like - E04B 9/24: with the slabs, {panels,} sheets or the like positioned on {the upperside of}, or held against {the underside of the} horizontal flanges of the supporting construction {or accessory means connected thereto} - E04C 2/02: characterised by specified materials (translucent E04C2/54) - C08K 3/013: Fillers, pigments or reinforcing additives - C08K 3/014: Stabilisers against oxidation, heat, light or ozone - E04B 9/28: with the slabs, {panels,} sheets or the like having grooves engaging with horizontal flanges of the supporting construction or accessory means connected thereto - E04C 2/526: {with adaptations not otherwise provided for, for connecting, transport; for making impervious or hermetic, e.g. sealings} - C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D) - E04B: GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS (border constructions of opening in walls, floors or ceilings E06B1/00; {electromagnetic shielding H05K9/0001}) - E04C: STRUCTURAL ELEMENTS; BUILDING MATERIALS (for bridges E01D; specially designed for insulation or other protection E04B; elements used as building aids E04G; for mining E21; for tunnels E21D; structural elements with broader range of application than for building engineering F16, particularly F16S) - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) ## Abstract Described herein are panel coating compositions, building panel and a ceiling panel assembly having such coating compositions. The coating compositions are useful in obtaining stable and splotch-free finished paint on large panels. ## Claims ### Claim 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. ### Claim 2 (depends on 1) The building panel coating composition of claim 1 wherein the rheology modifier is present in an amount of about 0.002% to about 0.08% by weight of the composition. ### Claim 3 (depends on 1) The building panel coating composition of claim 1 wherein the defoamer is a polyether siloxane copolymer. ### Claim 4 (depends on 3) The building panel coating composition of claim 3 wherein the polyether siloxane copolymer comprises fumed silica. ### Claim 5 (depends on 1) The building panel coating composition of claim 1 wherein the defoamer is present in an amount of about 0.08% to about 0.3% by weight of the composition. ### Claim 6 (depends on 1) The building panel coating according to claim 1, wherein the dispersing agent is a nonionic dispersant copolymer. ### Claim 7 (depends on 1) The building panel coating according to claim 1, wherein the dispersing agent is present in an amount of about 1.0% to about 3.0% by weight of the composition. ### Claim 8 (depends on 1) The building panel coating composition according to claim 1, wherein the whitening pigment is titanium dioxide. ### Claim 9 (depends on 1) The building panel coating composition according claim 1, wherein the anionic wax emulsion comprises paraffin, polyethylene, or a combination thereof, wherein the anionic wax emulsion is present in an amount of about 5% to about 30% by weight of the composition. ### Claim 10 A building panel comprising: a body having an upper surface opposite a lower surface and at least one side surface extending between the upper surface and the lower surface; a water repellant coating adjacent at least to the upper surface and lower surface, the water repellant coating comprising a building panel coating 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 building panel has a length and a width, the length is at least 6 ft and the width is at least 3 ft. ### Claim 11 (depends on 10) The building panel according to claim 10, wherein the body comprises any one of fiberboard, wood, metal, brick, plastic, fabric, fibrous sheet, glass, ceramic, concrete, plastic film/sheet, paper, fiberglass, mineral fiber sheet, drywall. ### Claim 12 (depends on 10) The building panel according to claim 10, wherein the length of the building panel is at least 3.5 ft and the width of the building panel is at least 7 ft. ### Claim 13 A coating composition comprising: a liquid carrier; and a solid blend comprising: calcium carbonate; aluminum hydroxide; zinc borate; a rheology modifier; a defoamer; a dispersing agent; a pigment; and an anionic wax emulsion; and wherein the liquid carrier is present in an amount ranging from 5 wt. % to 45 wt. % based on the total weight of the coating composition. ### Claim 14 (depends on 13) The coating composition of claim 13 wherein the rheology modifier is non-ionic, water-soluble hydroxyethylcellulose surface-treated with glyoxal. ### Claim 15 (depends on 13) The coating composition of claim 13 wherein the defoamer is a polyether siloxane copolymer. ### Claim 16 (depends on 13) The coating composition according to claim 13, wherein the dispersing agent is a nonionic dispersant copolymer present in an amount of about 1.0% to about 3.0% by weight of the solid blend. ### Claim 17 (depends on 13) The coating composition according to claim 13, wherein the pigment is titanium dioxide. ### Claim 18 (depends on 13) The coating composition according to claim 13, wherein the anionic wax emulsion comprises paraffin, polyethylene, or a combination thereof. ### Claim 19 (depends on 13) A method of coating a building panel substrate comprising: a) applying the coating composition according claim 13 to a substrate; and b) drying the coating composition such that the liquid carrier is removed from the substrate.