Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379400 | Dye compositions and methods of dyeing keratin fibers | Hans-Juergen Braun | 2002-04-30 |
| 5972044 | Composition and method for dyeing keratin fibers | Hans-Juergen Braun | 1999-10-26 |
| 5965114 | Dye-containing mass, composition containing it and method for dyeing keratin fibers, especially human hair | Hans-Jurgen Braun | 1999-10-12 |