US 2011/0226723 A1Published application

Hollow body with improved barrier action

AssigneeBASF SE

InventorsChristian Schade, Hans-Jürgen Renner, Stefan Burgdörfer, Klaus Wendel

Life of this patent

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Abstract

The present invention relates to hollow bodies with improved barrier action, where the hollow bodies are composed of a three-layer sandwich structure with a shell made of polystyrene and with a middle layer as vapor barrier.

Claims9

Dependent claims

-6. (canceled)

Dependencies are inferred from the claim text.

Facts

Application: 13/048,352Filed 15 Mar 2011
Priority: 17 Mar 2010
Published: 22 Sep 2011
Term ends: Not estimatedThe source records don’t support an estimate.

Classification46 codes

B32B 27/08
As the main or only constituent of a layer, which is next to another layer of the same or of a different material: of synthetic resin
B32B 25/16
Layered products comprising a layer of natural or synthetic rubber: comprising polydienes homopolymers or poly-halodienes homopolymers
B32B 27/30
Layered products comprising a layer of synthetic resin: comprising vinyl polymers; comprising acrylic polymers
B32B 27/302
Comprising vinyl polymers; comprising acrylic polymers: comprising aromatic vinyl polymers, e.g. styrenic polymers

Family

Application61/314,612Us provisional application · filed 17 Mar 2010
US 2011/0226723 A1This patent

From the US filing history. Foreign family members aren’t listed.

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