US 12,103,756 B2
Film comprising a contact layer for the wall of a single-use pouch
Magali Barbaroux, La Destrousse (FR); Lucie Delaunay, Roquevaire (FR); Ute Husemann, Gottingen (DE); and Gerhard Greller, Gottingen (DE)
Assigned to SARTORIUS STEDIM FMT SAS, Aubagne (FR)
Appl. No. 14/761,677
Filed by SARTORIUS STEDIM FMT SAS, Aubagne (FR)
PCT Filed Jan. 17, 2014, PCT No. PCT/EP2014/050958
§ 371(c)(1), (2) Date Jul. 17, 2015,
PCT Pub. No. WO2014/111549, PCT Pub. Date Jul. 24, 2014.
Claims priority of application No. 13305069 (EP), filed on Jan. 18, 2013.
Prior Publication US 2015/0360843 A1, Dec. 17, 2015
Int. Cl. B32B 1/02 (2006.01); B32B 27/18 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B65D 81/26 (2006.01); C08K 5/526 (2006.01); C08L 23/08 (2006.01)
CPC B65D 81/266 (2013.01) [B32B 27/18 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); C08K 5/526 (2013.01); C08L 23/0815 (2013.01); C08L 23/0861 (2013.01); B32B 2250/05 (2013.01); B32B 2307/7242 (2013.01); B32B 2439/40 (2013.01); B32B 2439/46 (2013.01); B32B 2439/80 (2013.01); B32B 2535/00 (2013.01); C08L 2203/16 (2013.01); Y10T 428/31938 (2015.04)] 20 Claims
OG exemplary drawing
 
1. A film for manufacturing a pouch, said film comprising:
a contact layer comprising (A) a copolymer of ethylene and α-olefin having a density in the range of 0.870 g/cm3 to 0.905 g/cm3, in mixture with (B) a homopolymer of ethylene having a density in the range of 0.910 g/cm3 to 0.940 g/cm3, said contact layer comprising less than 0.10 wt % of additives able to release a degradation compound further to gamma irradiation in the range of 25 kGy-50 kGy, that can slow down or delay cellular growth,
wherein the film is a sterilized film and is configured to be manufactured as the pouch,
wherein an amount of anti-block in the contact layer is less than or equal to 2 wt %,
wherein the contact layer is sealable on itself, and
wherein the contact layer is configured to contact with a biopharmaceutical product without causing degradation of the biopharmaceutical product.