Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5512276 | Composition for fixing hair based on lignin or lignin derivatives as well as dihydroxypropyl lignin | Gunther Lang, Thomas Clausen, Karin Steinbrecht, Wolfgang Keil | 1996-04-30 |