US 12,234,371 B2
Coating compositions for packaging articles and methods of coating
Richard H. Evans, Wexford, PA (US); Jeffrey Niederst, Leechburg, PA (US); Robert M. O'Brien, Monongahela, PA (US); Benoit Prouvost, Nantes (FR); Kevin Romagnoli, Pittsburgh, PA (US); Grant Schutte, Pittsburgh, PA (US); Paul Stenson, Avon, CT (US); and Tom Van Kuren, Mars, PA (US)
Assigned to SWIMC LLC, Cleveland, OH (US)
Filed by SWIMC LLC, Cleveland, OH (US)
Filed on Oct. 9, 2020, as Appl. No. 17/067,421.
Application 17/067,421 is a continuation of application No. 15/803,657, filed on Nov. 3, 2017, abandoned.
Application 17/067,421 is a continuation of application No. 15/803,127, filed on Nov. 3, 2017, abandoned.
Application 15/803,657 is a continuation of application No. 13/651,796, filed on Oct. 15, 2012, granted, now 11,130,881.
Application 15/803,127 is a continuation of application No. 13/651,796, filed on Oct. 15, 2012, granted, now 11,130,881.
Application 13/651,796 is a continuation of application No. PCT/US2011/032738, filed on Apr. 15, 2011.
Claims priority of provisional application 61/333,133, filed on May 10, 2010.
Claims priority of provisional application 61/324,997, filed on Apr. 16, 2010.
Prior Publication US 2021/0024774 A1, Jan. 28, 2021
Int. Cl. C09D 171/08 (2006.01); B21D 31/00 (2006.01); B65D 25/00 (2006.01); C08G 59/06 (2006.01); C08G 59/24 (2006.01); C09D 5/08 (2006.01); B05D 7/14 (2006.01); B05D 7/22 (2006.01)
CPC C09D 171/08 (2013.01) [B21D 31/00 (2013.01); B65D 25/00 (2013.01); C08G 59/066 (2013.01); C08G 59/24 (2013.01); C09D 5/08 (2013.01); B05D 7/14 (2013.01); B05D 7/227 (2013.01); Y10T 428/1355 (2015.01)] 28 Claims
 
1. A food or beverage can coating composition that includes:
A polyether polymer having a glass transition temperature (“Tg”) of at least 80° C. and less than 130° C., a number average molecular weight of at least 2,000, and a backbone that includes a polycyclic group having ring atoms that include one or more heteroatoms; and
a carrier liquid;
wherein the coating composition is at least substantially free of bisphenol A and diglycidyl ether of bisphenol A, and is a liquid suitable for use in forming a food-contact coating.