Hans-Oscar Stephan

Follow

Person

Duisburg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Coloring agent comprising transition metals
- Patent number 6,648,925
- Issue date Nov 18, 2003
- Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
- Bernd Mayer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE