Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658873 | Coated sodium percarbonate particles, a process for their production and detergent, cleaning and bleaching compositions containing them | Birgit Bertsch-Frank, Thomas Lieser, Klaus Mueller, Martin Bewersdorf | 1997-08-19 |
| 5653950 | Process for producing abrasion-resistant sodium perborate monohydrate with high bulk density and high rate of solution | Ivan Pelgrims | 1997-08-05 |
| 5632965 | Method for the preparation of stabilized sodium percarbonate | Birgit Bertsch-Frank, Thomas Lieser, Peter J. Schubert, Klaus Mueller | 1997-05-27 |