	US 12,139,297 B2
	Coating composition for packaging articles
Urban Castelberg, Weisslingen (CH); and Kurt Hans Ashwanden, Jona (CH)
Assigned to SWIMC LLC, Cleveland, OH (US)
Filed by SWIMC LLC, Cleveland, OH (US)
Filed on May 1, 2014, as Appl. No. 14/267,479.
Application 14/267,479 is a continuation of application No. PCT/US2012/063371, filed on Nov. 2, 2012.
Claims priority of provisional application 61/556,017, filed on Nov. 4, 2011.
Prior Publication US 2014/0319133 A1, Oct. 30, 2014
Int. Cl. B65D 1/40 (2006.01); B65D 25/14 (2006.01); B65D 25/34 (2006.01); B65D 83/38 (2006.01); C08G 63/685 (2006.01); C09D 167/00 (2006.01)

CPC B65D 1/40 (2013.01) [B65D 25/14 (2013.01); B65D 25/34 (2013.01); B65D 83/38 (2013.01); C08G 63/6854 (2013.01); C09D 167/00 (2013.01); B05D 2202/25 (2013.01)]

19 Claims

1. An article, comprising:

an aluminum monobloc container or a portion thereof; and

a coating formed from a spray-applied coating composition that does not include n-methyl-2-pyrrolidone (NMP), comprises an adhesion promoter and is substantially free of bisphenol A, the coating disposed on at least a portion of an interior surface of the aluminum monobloc container or a portion thereof, wherein the coating composition includes at least 15 weight percent of a polyester polymer that includes one or more heterocyclic groups having a ring that includes one or more nitrogen atoms and one or more carbon atoms of carbonyl groups, based on the total nonvolatile weight of the coating composition;

wherein the coating exhibits no corrosion or adhesion loss after storage for one week at 55° C. while contacting a mixture comprising, by volume, ⅓ dimethyl ether, ⅓ water, and ⅓ ethanol.