Sigrid Igelmund

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Duesseldorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Nitrogen-free corrosion inhibitors having a good buffering effect
- Patent number 5,795,372
- Issue date Aug 18, 1998
- Henkel Kommanditgesellschaft auf Aktien
- Karlheinz Hill
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...