Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7749283 | Colorant with nacreous luster for keratin fibers | Annelie Doehling, Helga Kreher | 2010-07-06 |
| 7074393 | Compositions for removing or lightening hair color | Juergen Schmenger, Gabriele Hess | 2006-07-11 |
| 6506373 | Agent and method for permanent waving | Beate Dannecker, Birgit Schreiber | 2003-01-14 |
| 6488918 | Powdery cosmetic composition and method of making same | Gabriele Hess, Juergen Schmenger | 2002-12-03 |
| 6365136 | Compositions for removing or lightening hair color | Herbert Deutz, Gabriele Hess, Helga Kreher, Petra Braun, Joerg Schmidt | 2002-04-02 |
| 5961667 | Dyeing hair with compositions which contain oxidation dye precursor compounds, alkaline earth metal peroxides and inorganic or organic acids | Annelie Doehling | 1999-10-05 |