US 11,890,839 B2
Multi-layer films and related methods
Marc David Sorem, Chicago, IL (US); and Solomon O'Neil West, Chicago, IL (US)
Assigned to TRANSCONTINENTAL HOLDING CORP., Chicago, IL (US)
Filed by TRANSCONTINENTAL HOLDING CORP., Chicago, IL (US)
Filed on Oct. 23, 2020, as Appl. No. 17/079,324.
Application 17/079,324 is a continuation of application No. 16/096,628, abandoned, previously published as PCT/US2017/029451, filed on Apr. 25, 2017.
Claims priority of provisional application 62/329,109, filed on Apr. 28, 2016.
Prior Publication US 2021/0039365 A1, Feb. 11, 2021
Int. Cl. A23C 19/076 (2006.01); B65D 65/40 (2006.01); B32B 27/08 (2006.01); B32B 7/12 (2006.01); B32B 27/00 (2006.01); B32B 27/10 (2006.01); B32B 27/18 (2006.01); B32B 27/20 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); B32B 27/32 (2006.01); B32B 27/30 (2006.01); B32B 15/082 (2006.01); B32B 15/085 (2006.01); B32B 27/28 (2006.01)
CPC B32B 27/08 (2013.01) [A23C 19/076 (2013.01); B32B 7/12 (2013.01); B32B 15/082 (2013.01); B32B 15/085 (2013.01); B32B 27/00 (2013.01); B32B 27/10 (2013.01); B32B 27/18 (2013.01); B32B 27/20 (2013.01); B32B 27/28 (2013.01); B32B 27/308 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); B65D 65/40 (2013.01); B32B 2250/02 (2013.01); B32B 2250/05 (2013.01); B32B 2250/24 (2013.01); B32B 2264/104 (2013.01); B32B 2307/31 (2013.01); B32B 2307/748 (2013.01); B32B 2307/75 (2013.01); B32B 2439/70 (2013.01)] 17 Claims
 
1. A multi-layer film construction, comprising:
a first layer comprising at least one of a polyamide, polyester, polypropylene, metal foil, cellulose, or paper; and
a second layer comprising an ionomer, polybutylene, and a cheese release additive, wherein the second layer comprises a first sublayer and a second sublayer, wherein the first sublayer comprises the ionomer and the polybutylene, and wherein the second sublayer comprises calcium carbonate.