Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4600539 | O/W Emulsifiers for cosmetic purposes | Udo Hoppe, Jochen M. Quack, Alwin Reng, Herbert Stuhler | 1986-07-15 |
| 4547307 | Cake of soap with deodorizing action | Udo Hoppe, Gerhard Sauermann, Otto Stelling, Manfred Rockl | 1985-10-15 |