US 12,390,397 B2
Infusion bag
Torsten Brandenburger, Friedberg (DE); and Beatrix Heuel-Hoemmen, Friedberg (DE)
Assigned to Fresenius Kabi Deutschland GmbH, Bad Homburg (DE)
Filed by Fresenius Kabi Deutschland GmbH, Bad Homburg (DE)
Filed on Jun. 5, 2024, as Appl. No. 18/734,051.
Application 18/734,051 is a continuation of application No. 17/253,424, granted, now 12,005,026, previously published as PCT/EP2019/072263, filed on Aug. 20, 2019.
Claims priority of application No. 18189930 (EP), filed on Aug. 21, 2018.
Prior Publication US 2025/0017818 A1, Jan. 16, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. A61J 1/10 (2006.01); A61J 1/14 (2023.01); B32B 3/08 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01)
CPC A61J 1/10 (2013.01) [A61J 1/1406 (2013.01); A61J 1/1431 (2015.05); A61J 1/1481 (2015.05); B32B 3/08 (2013.01); B32B 27/08 (2013.01); B32B 27/302 (2013.01); B32B 27/32 (2013.01); B32B 2250/03 (2013.01); B32B 2250/246 (2013.01); B32B 2270/00 (2013.01); B32B 2274/00 (2013.01); B32B 2307/412 (2013.01); B32B 2307/51 (2013.01); B32B 2307/558 (2013.01); B32B 2307/5825 (2013.01); B32B 2439/46 (2013.01); B32B 2439/80 (2013.01)] 27 Claims
OG exemplary drawing
 
1. A pharmaceutical product comprising an infusion bag containing a medical liquid, wherein the infusion bag comprises a multilayer film comprising:
an inner layer;
an outer layer comprising a styrene-ethylene/butylene-styrene block copolymer in a matrix of a polymer; and
an intermediate layer disposed between the inner layer and the outer layer, the intermediate layer comprising a styrene-ethylene/butylene-styrene block copolymer in a matrix of a polymer,
wherein a ratio, by weight, of styrene to ethylene and butylene of the outer layer is between 0.18 and 0.28, and
wherein a ratio, by weight, of styrene to ethylene and butylene of the intermediate layer is between 0.10 and 0.16.