US 11,873,149 B2
Blown film materials and processes for manufacturing thereof and uses thereof
William P. Belias, Pittsford, NY (US); and Toby R. Thomas, Pleasant Prairie, WI (US)
Assigned to SoFresh, Inc., Pleasant Prairie, WI (US)
Appl. No. 17/291,983
Filed by SoFresh, Inc., Pleasant Prairie, WI (US)
PCT Filed Nov. 6, 2019, PCT No. PCT/US2019/060135
§ 371(c)(1), (2) Date May 6, 2021,
PCT Pub. No. WO2020/097247, PCT Pub. Date May 14, 2020.
Claims priority of provisional application 62/758,012, filed on Nov. 9, 2018.
Prior Publication US 2021/0292066 A1, Sep. 23, 2021
Int. Cl. B65D 65/42 (2006.01); B29C 48/00 (2019.01); B29C 48/09 (2019.01); B29C 48/22 (2019.01); B65D 81/28 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B29L 23/00 (2006.01)
CPC B65D 65/42 (2013.01) [B29C 48/0017 (2019.02); B29C 48/0021 (2019.02); B29C 48/0022 (2019.02); B29C 48/09 (2019.02); B29C 48/22 (2019.02); B65D 81/28 (2013.01); B29C 2793/009 (2013.01); B29C 2793/0045 (2013.01); B29L 2023/001 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/304 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B32B 2553/00 (2013.01)] 32 Claims
OG exemplary drawing
 
1. A film comprising:
two self-adhered transmission layers encapsulating at least one active agent, wherein the at least one active agent is distributed at the interface between the two self-adhered transmission layers,
wherein one of the two self-adhered transmission layers is an interior transmission layer and the other is an exterior transmission layer, and wherein the film further comprises:
an interior barrier layer adjacent to the interior transmission layer,
an interior sealant layer adjacent to the interior barrier layer,
an exterior barrier layer adjacent to the exterior transmission layer; and
an exterior sealant layer adjacent to the exterior barrier layer,
wherein at least the interior transmission layer and the interior barrier layer are ablated.