US 12,351,728 B2
Coating compositions for packaging articles such as food and beverage containers
Sebastien Gibanel, Givry (FR); and Benoit Prouvost, Nantes (FR)
Assigned to SWIMC LLC, Cleveland, OH (US)
Filed by SWIMC LLC, Cleveland, OH (US)
Filed on Apr. 18, 2022, as Appl. No. 17/723,030.
Application 17/723,030 is a continuation of application No. 17/003,713, filed on Aug. 26, 2020, granted, now 11,332,636.
Application 17/003,713 is a continuation of application No. 15/539,366, granted, now 10,800,941, previously published as PCT/US2015/000238, filed on Dec. 23, 2015.
Claims priority of provisional application 62/096,572, filed on Dec. 24, 2014.
Prior Publication US 2022/0315789 A1, Oct. 6, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C09D 133/08 (2006.01); B05D 1/02 (2006.01); B05D 3/02 (2006.01); B05D 7/22 (2006.01); B65D 5/56 (2006.01); C08F 2/24 (2006.01); C08F 212/08 (2006.01); C08F 220/20 (2006.01); C09D 125/14 (2006.01); C09D 133/02 (2006.01)
CPC C09D 133/08 (2013.01) [B05D 7/227 (2013.01); B65D 5/56 (2013.01); C08F 2/24 (2013.01); C08F 212/08 (2013.01); C09D 125/14 (2013.01); C09D 133/02 (2013.01); B05D 1/02 (2013.01); B05D 3/0254 (2013.01); B05D 2202/25 (2013.01); B05D 2401/20 (2013.01); C08F 220/20 (2013.01)] 32 Claims
OG exemplary drawing
 
1. An inside spray coating composition comprising:
an aqueous carrier; and
greater than about 65 weight percent, based on the entire weight of the total resin solids in the coating composition, of an emulsion-polymerized latex copolymer comprising:
one or more mono-unsaturated monomers each having a single ethylenically-unsaturated group; and
one or more multi-unsaturated monomers each having two or more ethylenically-unsaturated groups, wherein the multi-unsaturated monomer(s) each have a divalent chain length with at least two carbon atoms between at least two of the ethylenically-unsaturated groups, and constitute from greater than 5% by weight to 25% by weight of the monomers used to produce the emulsion-polymerized latex copolymer;
wherein:
the average viscosity of the coating composition ranges from about 5 seconds to about 40 seconds using a Ford Viscosity Cup #4 at 25° C.;
a coating formed from the coating composition has a glass transition temperature greater than about 50° C. and exhibits a metal exposure of less than 3.5 milliamps, pursuant to the Metal Exposure After Drop Damage test and a global extraction of less than 50 parts-per-million, pursuant to the Global Extraction test;
wherein the coating composition comprises a curing agent, wherein the curing agent is a crosslinker, which is present in an amount of up to 15% by weight, based on the total resin solids weight of the coating composition; and
wherein the inside spray coating composition is an inside beverage container coating composition.