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US 2012/0237759 A1Published application
Composite material of open-cell rigid foam
AssigneeBayer MaterialScience AG
InventorsHubert Ehbing, Hans-Jürgen Liebig
Life of this patent
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Abstract
The present invention relates to a composite material, comprising a sandwich element (4) and a functional and/or decorative layer (3). The sandwich element (4) comprises at least one core layer (1), comprising an open-cell rigid foam, and at least one outer layer (2) located on each side of this core layer.
Claims13
-12. (canceled)
A composite material consisting of a spacer sandwiched between two fibrous layers, wherein said spacer comprises an open-cell rigid foam having an open-pore fraction of greater than or equal to 10%.
Dependencies are inferred from the claim text.