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US 11,142,736 B2Granted
Gas permeable material
AssigneeSaint-Gobain Performance Plastics Corporation
InventorsSarah Louise Clark, Natasha Anna Lundgren, Michael John Tzivanis, Aijun Zhu
Life of this patent
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Abstract
The invention describes a gas permeable fluoropolymer and silicone material used in the construction of cell culture bags.
Claims24
An oxygen-permeable film comprising:
- a first polymer layer having a thickness in the range of about 0.01 mm to about 5 mm, the first polymer layer being a silicone layer;
- and
- a second fluid contact layer having a thickness in the range of about 0.01 mm to about 0.1 mm, the second fluid contact layer being an FEP layer,
- wherein the first polymer layer and the second fluid contact layer are adhered together, and
- wherein the oxygen permeable film has an oxygen permeability of at least 2000 cc/m2 per day.
2 more elements
An oxygen-permeable container comprising an oxygen permeable film that comprises:
- an outer polymer layer having a thickness in the range of about 0.01 mm to about 5 mm, the outer polymer layer being a silicone layer;
- and
- an inner fluid contact layer having a thickness in the range of about 0.01 mm to about 0.1 mm, the inner fluid layer being an FEP layer,
- wherein the outer polymer layer and the inner fluid contact layer are adhered together, and
- wherein the oxygen permeable film has an oxygen permeability of at least 2000 cc/m2 per day.
2 more elements
Dependencies are inferred from the claim text.