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US 2020/0317413 A1Published application
Aseptic and liquid food packaging with aqueous multibarrier coatings and methods of making same
OwnerLori Jeanne Fortininventor
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Abstract
Coatings for packaging materials and, more specifically, aqueous coatings for paperboard substrates and methods of applying the coatings. The aqueous coatings may include light blocking particles.
Claims17
A substrate for aseptic packaging, the substrate comprising at least a first layer and a second layer, wherein the first layer is disposed on a side of the substrate and the second layer disposed on the first layer, wherein each layer comprises a composition comprising an aqueous polymeric solution or dispersion dried to form a continuous film to provide distinct barrier functions.
A method of manufacturing aseptic packaging, comprising the steps of:
- a. providing a substrate, wherein the substrate comprises a layer of paper or paperboard;
- b. providing a first coating composition;
- c. providing a second coating composition;
- and
- d. forming a plurality of barrier layers on a first side of the substrate.
2 more elements
Dependencies are inferred from the claim text.