Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674476 | Process for making a persulfate-containing granulate for decolorizing or bleaching hair | Thomas Clausen, Wolfgang Balzer, Volker Port | 1997-10-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674476 | Process for making a persulfate-containing granulate for decolorizing or bleaching hair | Thomas Clausen, Wolfgang Balzer, Volker Port | 1997-10-07 |