Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485527 | Use of reactive dyes for dyeing hair | Frank Prechtl, Peter Hossel | 2002-11-26 |
| 6410698 | Reactive dyes with a combination anchor | Frank Prechtl | 2002-06-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485527 | Use of reactive dyes for dyeing hair | Frank Prechtl, Peter Hossel | 2002-11-26 |
| 6410698 | Reactive dyes with a combination anchor | Frank Prechtl | 2002-06-25 |