Holger Preiss

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Visselhoevede, DE

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Patents Grantslast 30 patents

Information Patent Grant
Metal-free barrier-layer films
- Patent number 5,230,948
- Issue date Jul 27, 1993
- Wolff Walsrode Aktiengesellschaft
- Holger Preiss
- B32 - LAYERED PRODUCTS
Information Patent Grant
Composite films free from metal layers
- Patent number 5,145,731
- Issue date Sep 8, 1992
- Wolff Walsrode AG
- Klaus Lund
- B32 - LAYERED PRODUCTS
Information Patent Grant
Readily peelable, sterilizable packages
- Patent number 4,766,018
- Issue date Aug 23, 1988
- Wolff Walsrode AG
- Thomas Hinrichsen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL