Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346680 | Sodium percarbonate stabilized by coating | Alfred Soentgerath, Werner Doetsch, Gerd Hecken | 1994-09-13 |
| 5290476 | Process for preparing microcrystalline perborate products | Werner Doetsch, Werner Zeiss, Rudolf Siegel | 1994-03-01 |