Walter Niederstaetter

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Eltville, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of novolak resins with low metal ion co...
- Patent number 5,073,622
- Issue date Dec 17, 1991
- Hoechst Aktiengesellschaft
- Bernhard Wojtech
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing base material for an aluminum offset printing...
- Patent number 5,009,722
- Issue date Apr 23, 1991
- Hoechst AG.
- Gerhard Sprintschnik
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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...