Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457858 | Method of making coated granular bleach activators by spray drying | Martin Witthaus | 1984-07-03 |
| 4419260 | Method for the production of a suds-stabilized silicone-containing detergent | Herbert Reuter, Martin Witthaus | 1983-12-06 |
| 4372868 | Process for the preparation of a stable, readily soluble granulate with a content of bleach activators | Martin Witthaus, Eduard Smulders, Karl Schwadtke | 1983-02-08 |