Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4921694 | Deodorizing and antimicrobial composition for use in cosmetic or topical formulations | Udo Hoppe, Gerhard Sauermann, Walter Engel, Wolfgang Pape | 1990-05-01 |
| 4404191 | Virucidal method | Jutta Sporkenbach, Heinz Eggensperger, Lothar Bucklers, Helmut H. Ehlers, Hans-Peter Harke | 1983-09-13 |
| 4379137 | Disinfecting and preserving composition comprising a synergistic combination of a polymeric quaternary ammonium compound and a 3-isothiazolone compound | Helmut H. Ehlers, Heinz Eggensperger, Lothar Bucklers, Karl-Heinz Diehl, Norbert Weigand | 1983-04-05 |