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US 12,030,283 B2Granted
Food packaging film with antioxidant for freshness protection
AssigneeInteplast Group Corporation
InventorsRafael E. Bayona P., Gregory Gillis, Kiran J. Soneji
Life of this patent
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Abstract
A food packaging film comprising a polymer-based core layer having a food-facing side and an exterior-facing side, a food-facing skin layer on the food-facing side of the core layer, and an exterior skin layer on the exterior-facing side of the core layer, wherein the core layer and the food-facing skin layer each contains a natural or synthetic antioxidant, and the film is free of BHA and BHT.
Claims17
A food packaging film comprising:
- a polymer-based core layer having a food-facing side and an exterior-facing side;
- a food-facing skin layer on the food-facing side of the core layer;
- and
- an exterior skin layer on the exterior-facing side of the core layer;
- wherein the core layer and the food-facing skin layer are free of BHT (butylated hydroxytoluene) and BHA (butylated hydroxyainsole), and each contains an antioxidant selected from among green tea, rosemary oil, and combinations thereof;
- and
- wherein the core layer comprises between 2 and 4 wt % of the antioxidant and the food-facing skin layer comprises between 8 and 12 wt % of the antioxidant.
4 more elements
Dependencies are inferred from the claim text.