US 11,939,132 B2
Product packaging with heat sealable barrier material
Michael D. Priscal, Neenah, WI (US); and Kevin P. Nelson, Appleton, WI (US)
Assigned to AMCOR FLEXIBLES NORTH AMERICA, INC., Neenah, WI (US)
Appl. No. 17/295,784
Filed by AMCOR FLEXIBLES NORTH AMERICA, INC., Neenah, WI (US)
PCT Filed Dec. 31, 2018, PCT No. PCT/US2018/068146
§ 371(c)(1), (2) Date May 20, 2021,
PCT Pub. No. WO2020/142068, PCT Pub. Date Jul. 9, 2020.
Prior Publication US 2022/0024663 A1, Jan. 27, 2022
Int. Cl. B65D 75/36 (2006.01); A61J 1/03 (2023.01); A61J 1/10 (2006.01); A61K 31/352 (2006.01); A61K 31/4468 (2006.01); A61K 31/465 (2006.01); B29C 65/00 (2006.01); B29C 65/02 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B29K 23/00 (2006.01)
CPC B65D 75/36 (2013.01) [A61J 1/035 (2013.01); A61J 1/10 (2013.01); A61K 31/352 (2013.01); A61K 31/4468 (2013.01); A61K 31/465 (2013.01); B29C 65/02 (2013.01); B29C 66/72321 (2013.01); B29C 66/72341 (2013.01); B29C 66/72343 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B29K 2023/083 (2013.01); B29K 2023/086 (2013.01); B29K 2995/0067 (2013.01); B29K 2995/0069 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7246 (2013.01); Y10T 428/1379 (2015.01)] 18 Claims
OG exemplary drawing
 
1. A package comprising:
a first packaging component comprising a product-contacting sealant layer comprising a first ethylene vinyl alcohol copolymer; and
a second packaging component comprising a product-contacting sealant layer comprising a second ethylene vinyl alcohol copolymer;
wherein the ethylene content of the second ethylene vinyl alcohol copolymer is equal to or less than 38 percent, and wherein the ethylene content of the first ethylene vinyl alcohol copolymer is greater than the ethylene content of the second ethylene vinyl alcohol copolymer, wherein the product-contacting sealant layer of the first packaging component is an interior surface layer, and wherein the product-contacting sealant layer of the second packaging component is an interior surface layer.