# US 11,898,050 B2 · Scuff resistant and chip resistant architectural compositions > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,898,050 B2 - Document ID: US11898050B2 - Status: Granted - Kind: B2 - Application number: 16/967,450 - Filed: 2019-01-29 - Published: 2021-07-29 - Granted: 2024-02-13 - Earliest claimed: 2018-02-17 - Assignees: Columbia Insurance Company - Applicants: Columbia Insurance Company - Inventors: Kevin Lee; Thomas Penny; Jonathan Dugan - Web page: https://patentgrep.com/patent/US11898050B2 ## CPC - C08L 91/06: Waxes - C09D 133/10: Homopolymers or copolymers of methacrylic acid esters - C09D 5/024: {characterised by the additives} - C09D 7/63: organic - C09D 123/04: Homopolymers or copolymers of ethene - C09D 175/04: Polyurethanes - C09D 183/04: Polysiloxanes - C08K 5/01: Hydrocarbons {(C08K5/0091 takes precedence)} - C08K 5/101: of monocarboxylic acids - C08L 23/06: Polyethylene - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - 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) - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) ## Abstract Solutions to the problems of scuffing and chipping of the paint films in high traffic areas and in tight spaces, such as dressing rooms in department stores, where multiple scrapings of the wall paints are created by consumers, clothes hangers, shoes, etc., and hallways and conference rooms in office and other commercial buildings are disclosed. ## Claims ### Claim 1 An architectural aqueous coating composition that forms a paint film, said paint film is capable of resisting scuffing or chipping, wherein the architectural aqueous coating composition comprises: a wax seeded latex, wherein the wax seeded latex comprises a hydrophobic, wax compound entrapped within a polymeric resin, a second film-forming latex, wherein the second film-forming latex forms a harder film than the wax seeded latex, an elastomeric latex, a wax, and an optional opacifying pigment. ### Claim 2 (depends on 1) The architectural aqueous coating composition of claim 1, wherein the wax seeded latex comprises about 20 wt. % to about 24 wt. % of the total latex weight. ### Claim 3 (depends on 2) The architectural aqueous coating composition of claim 2, wherein the wax seeded latex comprises about 21 wt. % to about 23 wt. % of the total latex weight. ### Claim 4 (depends on 1) The architectural aqueous coating composition of claim 1, wherein the second film-forming latex comprises about 60 wt. % to about 80 wt. % of the total latex weight. ### Claim 5 (depends on 4) The architectural aqueous coating composition of claim 4, wherein the second film-forming latex comprises about 65 wt. % to about 75 wt. % of the total latex weight. ### Claim 6 (depends on 1) The architectural aqueous coating composition of claim 1, wherein the elastomeric latex comprises about 6 wt. % to about 9 wt. % of the total latex weight. ### Claim 7 (depends on 6) The architectural aqueous coating composition of claim 6, wherein the elastomeric latex comprises about 7 wt. % to about 8.5 wt. % of the total latex weight. ### Claim 8 (depends on 1) The architectural aqueous coating composition of claim 1, wherein the elastomeric latex comprises a waterborne silicone resin. ### Claim 9 (depends on 1) The architectural aqueous coating composition of claim 1, wherein the second film-forming latex comprises a cross-linkable latex, wherein the cross-linkable latex crosslinks with or without a cross-linking agent in the aqueous coating composition. ### Claim 10 (depends on 1) The architectural aqueous coating composition of claim 1, wherein the second film-forming latex has a glass transition temperature higher than that of the wax seeded latex. ### Claim 11 An architectural aqueous coating composition that forms a paint film, said paint film is capable of resisting scuffing or chipping, wherein the architectural aqueous coating composition comprises: a wax seeded latex, wherein the wax seeded latex comprises a hydrophobic, wax compound entrapped within a polymeric resin, a second film-forming latex, wherein the second film-forming latex forms a harder film than the wax seeded latex, a waterborne silicone latex, a wax, and an optional opacifying pigment. ### Claim 12 (depends on 11) The architectural aqueous coating composition of claim 11, wherein the wax seeded latex comprises about 20 wt. % to about 24 wt. % of the total latex weight, wherein the second film-forming latex comprises about 60 wt. % to about 80 wt. % of the total latex weight, and wherein the waterborne silicone latex comprises about 6 wt. % to about 9 wt. % of the total latex weight. ### Claim 13 (depends on 12) The architectural aqueous coating composition of claim 12, wherein the wax seeded latex comprises about 21 wt. % to about 23 wt. % of the total latex weight, wherein the second film-forming latex comprises about 65 wt. % to about 75 wt. % of the total latex weight, and wherein the waterborne silicone latex comprises about 7 wt. % to about 8.5 wt. % of the total latex weight. ### Claim 14 (depends on 11) The architectural aqueous coating composition of claim 11, wherein the second film-forming latex comprises a cross-linkable latex, wherein the cross-linkable latex crosslinks with or without a cross-linking agent in the aqueous coating composition. ### Claim 15 (depends on 11) The architectural aqueous coating composition of claim 11, wherein the second film-forming latex has a glass transition temperature higher than that of the wax seeded latex. ### Claim 16 (depends on 1) The architectural aqueous coating composition of claim 1 has a semi-gloss finish. ### Claim 17 (depends on 11) The architectural aqueous coating composition of claim 11 has a semi-gloss finish.