Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084480 | Microbicidal composition based on formaldehyde donor compounds and antioxidants | Ralf Gradtke, Wolfgang Beilfuss, Wolfgang Siegert | 2011-12-27 |
| 8058218 | Composition based on glycerol ether/polyol mixtures | Wolfgang Beilfuss, Sabine HERWEG, Ralf Gradtke | 2011-11-15 |
| 7935701 | Microbicidal composition based on formaldehyde donor compounds and antioxidants | Ralf Gradtke, Wolfgang Beilfuss, Wolfgang Siegert | 2011-05-03 |