US 12,203,276 B2
Resilient flooring product and methods of making same
Tom Odum, Tunnel Hill, GA (US); Jay Vecsey, Canton, GA (US); and Jeff Wright, Cartersville, GA (US)
Assigned to Columbia Insurance Company, Omaha, NE (US)
Filed by COLUMBIA INSURANCE COMPANY, Omaha, NE (US)
Filed on Jun. 22, 2023, as Appl. No. 18/339,499.
Application 18/339,499 is a continuation of application No. 17/873,874, filed on Jul. 26, 2022, granted, now 11,725,397.
Application 17/873,874 is a continuation of application No. 17/143,932, filed on Jan. 7, 2021, granted, now 11,434,647, issued on Sep. 6, 2022.
Application 17/143,932 is a continuation of application No. 15/711,278, filed on Sep. 21, 2017, granted, now 10,914,080, issued on Feb. 9, 2021.
Claims priority of provisional application 62/399,040, filed on Sep. 23, 2016.
Prior Publication US 2023/0332417 A1, Oct. 19, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B32B 3/10 (2006.01); B29C 43/24 (2006.01); B29C 48/08 (2019.01); B32B 7/00 (2019.01); B32B 7/022 (2019.01); B32B 7/12 (2006.01); B32B 15/082 (2006.01); B32B 37/00 (2006.01); B44C 1/24 (2006.01); B44C 5/04 (2006.01); E04F 15/10 (2006.01); E04F 15/16 (2006.01); B29K 23/00 (2006.01); B29L 7/00 (2006.01); B29L 31/00 (2006.01); B29L 31/10 (2006.01); B32B 38/00 (2006.01); B32B 38/06 (2006.01)
CPC E04F 15/10 (2013.01) [B29C 43/24 (2013.01); B29C 48/08 (2019.02); B32B 7/00 (2013.01); B32B 7/022 (2019.01); B32B 7/12 (2013.01); B32B 15/082 (2013.01); B32B 37/156 (2013.01); B44C 1/24 (2013.01); B44C 5/04 (2013.01); E04F 15/105 (2013.01); E04F 15/107 (2013.01); E04F 15/163 (2013.01); B29K 2023/0633 (2013.01); B29K 2023/083 (2013.01); B29K 2995/0087 (2013.01); B29K 2995/0089 (2013.01); B29L 2007/002 (2013.01); B29L 2031/104 (2013.01); B29L 2031/732 (2013.01); B32B 38/06 (2013.01); B32B 38/145 (2013.01); B32B 2309/105 (2013.01); B32B 2419/04 (2013.01); C08J 2323/08 (2013.01); C08J 2475/06 (2013.01)] 46 Claims
OG exemplary drawing
 
1. A resilient floor covering comprising:
a backing portion having a first surface and a second surface, wherein the second surface of the backing portion is opposed to the first surface of the backing portion;
a decorative portion having a first surface and a second surface, wherein the second surface of the decorative portion is opposed to the first surface of the decorative portion,
wherein the decorative portion overlies the backing portion such that at least a portion of the second surface of the decorative portion contacts at least a portion of the first surface of the backing portion,
wherein the decorative portion comprises a substrate layer and an UV cured ink layer that overlies at least a portion of the substrate layer, and
wherein the UV cured ink layer is disposed adjacent to a portion of the first surface of the decorative portion and at least a portion of the substrate layer is disposed adjacent at least a portion of the second surface of the decorative portion;
a tie layer comprising an adhesive composition,
wherein the adhesive composition comprises hot melt polyurethane, and
wherein the tie layer substantially overlies the decorative portion such that at least a portion of the tie layer adheres to the first surface of the decorative portion;
a wear layer substantially overlying the tie layer such that at least a portion of the wear layer contacts and adheres to at least a portion of the tie layer; and
a scratch layer disposed above and adhered to the wear layer, wherein the scratch layer is a UV cured layer.