Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605677 | Remineralizing dental care preparation | Klaus Schumann, Hans Laska | 1997-02-25 |
| 5364647 | Powdered preparations of surface active alkylglycosides | Karlheinz Hill, Hermann Koerner, Josef Penninger | 1994-11-15 |
| 5324505 | Striped, multicolored toothpaste and dispenser therefor | Norbert Kornettka, Albert Stoeffler, Juergen Fiedler | 1994-06-28 |
| 5292500 | Plaque-inhibiting toothpaste comprising antibacterial biguanides | Peter Wuelknitz, Rudolf Lehmann, Walter Ploeger | 1994-03-08 |
| 5145665 | Preparation for dental and oral hygiene containing polysaccharide splitting enzymes | Hans-Juergen Klueppel | 1992-09-08 |
| 4851525 | Conversion of organophosphonic acids into their salts using intense shear | Willi Wuest, Hubert Harth, Dirk Springer | 1989-07-25 |
| 4797231 | Multipurpose cleaning preparations for hard surfaces | Klaus Schumann, Ortburg Guirr, Paul Schulz | 1989-01-10 |