Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830784 | Laundry detergents and cleaners with reduced requirement for conventional chemicals | Alfred Meffert, Andreas Syldatk, Ingo Wegener, Johann F. Fues | 1989-05-16 |
| 4772426 | Surfactants concentrates containing ester sulfonates and their use | Karlheinz Koch, Ingo Wegener | 1988-09-20 |