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US 8,911,843 B2Granted
Multi-layer container
AssigneeChamness Biodegradables, LLC
InventorsDavid A. Dellinger, Neil J. Dunn, Elie Helou, Jr., William V. Hickey, Dwight W. Schwark, Drew V. Speer
Life of this patent
Estimating the term…
Abstract
One embodiment of the present invention provides a partly-biodegradable system, which comprises a non-biodegradable portion and a biodegradable portion wherein the non-biodegradable portion is easily separated from the biodegradable portion for disposal of the system. In certain embodiments, the system further comprises a cover layer of non-biodegradable film which adheres to the first non-biodegradable portion to form a sealed compartment for food or drink reservation.
Claims13
A container comprising:
- a first portion having a substantially biodegradable starch matrix;
- and
- a second portion comprising a multi-layer non-biodegradable film adhering to the inner surface of the first portion, wherein the multi-layer non-biodegradable film comprises at least two layers and where at least one of the at least two layers is selected from the group consisting of polyethylene, polyethylene/vinyl acetate, amorphous polyethylene terephthalate, polyamide-6 (PA-6 or nylon 6), Surlyn (zinc and sodium ionomers) and polyester films;
- wherein the bond strength between the first portion and the second portion is from about 0.5 pounds per inch width to about 4.5 pounds per inch width.
1 more element
A container comprising:
- a substrate comprising starch-based matrix;
- and
- a liner comprising at least two layers and where at least one of the at least two layers is selected from the group consisting of polyethylene, polyethylene/vinyl acetate, amorphous polyethylene terephthalate, polyamide-6 (PA-6 or nylon 6), Surlyn (zinc and sodium ionomers) and polyester films,
- wherein the bond strength between the starch-based matrix and the liner is from about 0.5 pounds per inch width to about 4.5 pounds per inch width.
1 more element
Dependencies are inferred from the claim text.