Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861510 | Porous layer silicate/sodium sulfate agglomerate | Elman Wilms, Herbert Linsenbold, Lothar Pioch, Winfried Wichelhaus | 1989-08-29 |
| 4834902 | Process for the production of free-flowing alkaline detergents by compacting granulation | Lothar Pioch, Jochen Jacobs, Elmar Wilms | 1989-05-30 |