Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572663 | Method for producing hair coloring preparations with improved viscosity | Adrian Pitfield, Heribert Lorenz, Joerg Kahre, Thomas Foerster, Markus Sumser +1 more | 2003-06-03 |
| 6528045 | Process for the preparation of stable aqueous hair dyeing emulsions | Heribert Lorenz | 2003-03-04 |