Barbara Grzemba

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Bonn, DE

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Patents Grantslast 30 patents

Information Patent Grant
Litho strip and method for its manufacture
- Patent number RE40788
- Issue date Jun 23, 2009
- Hydro Aluminium Deutschland GmbH
- Wolfgang Von Asten
- 430 - Radiation imagery chemistry: process, composition, or product thereof
Information Patent Grant
Litho strip and method for its manufacture
- Patent number 6,447,982
- Issue date Sep 10, 2002
- VAW aluminium AG
- Wolfgang von Asten
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Printing plate substrate and method of making a printing plate subs...
- Patent number 6,324,978
- Issue date Dec 4, 2001
- VAW aluminum AG
- Jürgen Kaulen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Base material for an aluminum offset printing plate
- Patent number 4,945,004
- Issue date Jul 31, 1990
- Hoechst AG.
- Gerhard Sprintschnik
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...