US 11,898,050 B2
Scuff resistant and chip resistant architectural compositions
Kevin Lee, North Brunswick, NJ (US); Thomas Penny, Newton, NJ (US); and Jonathan Dugan, Washington, NJ (US)
Assigned to Columbia Insurance Company, Omaha, NE (US)
Appl. No. 16/967,450
Filed by Columbia Insurance Company, Omaha, NE (US)
PCT Filed Jan. 29, 2019, PCT No. PCT/US2019/015619
§ 371(c)(1), (2) Date Aug. 5, 2020,
PCT Pub. No. WO2019/160681, PCT Pub. Date Aug. 22, 2019.
Claims priority of provisional application 62/703,071, filed on Jul. 25, 2018.
Claims priority of provisional application 62/710,443, filed on Feb. 17, 2018.
Prior Publication US 2021/0230442 A1, Jul. 29, 2021
Int. Cl. C09D 11/00 (2014.01); C09D 133/10 (2006.01); C09D 183/04 (2006.01); C08L 23/06 (2006.01)
CPC C09D 133/10 (2013.01) [C09D 183/04 (2013.01); C08L 23/06 (2013.01)] 17 Claims
OG exemplary drawing
 
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.