Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4781724 | Process for the simultaneous dyeing and permanent shaping of hair | Peter Hartmann, Kohei Kubo | 1988-11-01 |
| 4660580 | Process for the permanent shaping of the regrowth of hair and composition therefore | Dietrich Hoch, Eugen Konrad | 1987-04-28 |
| 4592908 | Protective cream for the scalp and method of straightening hair | Helga Gallist | 1986-06-03 |
| 4532950 | Process for the permanent deformation of hair | Gunther Lang | 1985-08-06 |
| 4470423 | Process for permanently shaping hair | — | 1984-09-11 |
| 4409204 | Means for the aftertreatment of permanently deformed hair | Gunther Lang | 1983-10-11 |
| 4331167 | Compositions and methods for permanent waving of hair | — | 1982-05-25 |