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US 2024/0109275 A1Published application
Biodegradable composite material for containers
AssigneeSulapac Oy
InventorsHeidi Peltola, Antti Pärssinen, Kati Meriläinen
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Abstract
The present invention concerns a container and a closure comprised of a dual layer biodegradable composite material. In addition, the invention concerns a method for forming such container and closure, as well as use thereof. In particular, the present invention concerns a container suitable to be used with liquid cosmetic product, especially for such exposed for hot moist environmental conditions.
Claims22
1-26. (canceled)
A container comprising a wall having an inside defining a cavity and an opposite outside, the cavity having a closable opening, wherein:
- the inside is formed by a first layer of a first biopolymer selected from polyhydroxyalkanoates, having a first thickness, and the outside is formed by a second, overlapping layer of a second biopolymer different from the first biopolymer and having a second thickness, the second thickness being greater than the first, and the first and second layers being molecularly adhered to each other, and
- the first layer extending past the second layer to form a collar which defines the closable opening of the cavity.
Dependencies are inferred from the claim text.