Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084480 | Microbicidal composition based on formaldehyde donor compounds and antioxidants | Ralf Gradtke, Klaus Weber, Wolfgang Siegert | 2011-12-27 |
| 8076363 | Isothiazolone-containing preservative with improved effectiveness | Ralf Gradtke, Petra Kolditz | 2011-12-13 |
| 8058218 | Composition based on glycerol ether/polyol mixtures | Sabine HERWEG, Klaus Weber, Ralf Gradtke | 2011-11-15 |
| 7935701 | Microbicidal composition based on formaldehyde donor compounds and antioxidants | Ralf Gradtke, Klaus Weber, Wolfgang Siegert | 2011-05-03 |