Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801396 | Dishwasher detergent paste | Klaus Schumann, Peter Christophliemk | 1989-01-31 |
| 4587031 | Process for the production of tablet form detergent compositions | Hans-Friedrich Kruse, Martin Witthaus, Klaus Schumann | 1986-05-06 |
| 4564535 | Product and process for scenting packaging materials | Walter Giesen, Klaus Schumann, Benno Streschnak | 1986-01-14 |
| 4511487 | Dishwasher detergent paste | Horst Pruhs | 1985-04-16 |
| 4475663 | Processes and means for perfuming packaging containers | Peter Kittscher, Klaus Schumann, Wolfgang Haumann, Heinz Smolka | 1984-10-09 |
| 4465612 | Process for cleaning and maintaining the interior surfaces of a mechanical dishwasher | Klaus Schuman | 1984-08-14 |
| 4392977 | Liquid cleaning and maintenance composition especially for dishwashers | Klaus Schumann | 1983-07-12 |
| 4333771 | Detergent composition with a mechanical cleaning effect | Klaus Schumann, Dieter Grodau | 1982-06-08 |
| 4324677 | Stable dishwashing agent compositions containing active chlorine | Jochen Kaufmann, Klaus Schumann, Friedel Rings | 1982-04-13 |
| 4187121 | Clear-rinse agent for mechanical dishwashers | Claus-Peter Herold, Dieter Grodau | 1980-02-05 |