Hermann Drosdziok

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Dusseldorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for simultaneous smoothing, cleaning, and surface protectio...
- Patent number 5,047,095
- Issue date Sep 10, 1991
- Henkel Kommanditgesellschaft auf Aktien
- Juergen Geke
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and agent for passivating iron and steel surfaces
- Patent number 4,437,898
- Issue date Mar 20, 1984
- Henkel Kommanditgesellschaft auf Aktien
- Hermann Drosdziok
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for spray cleaning of metal surfaces
- Patent number 4,284,434
- Issue date Aug 18, 1981
- Henkel Kommanditgesellschaft auf Aktien
- Herbert Lingmann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...