Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479057 | Cosmetic compositions containing inorganic-organic hybrid prepolymers and methods of treating hair, skin or nails using same | Susanne Birkel, Angelika Beyer | 2002-11-12 |
| 6372203 | Hair treatment compositions with polymers made from unsaturated saccharides, unsaturated saccharic acids or their derivatives | Susanne Birkel | 2002-04-16 |