Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859459 | Method of shaping human hair using dipropylene glycol monomethyl ether | Joussef Greiche, Peter Hartmann | 1989-08-22 |
| 4844886 | Cosmetic compositions with a content of hydrogenperoxide and alpha-bisabolol as well as use of alpha-bisabolol for the stabilization of hydrogenperoxide | Peter Hartmann | 1989-07-04 |