Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11399541 | Storage-stable microbicidal concentrates and use thereof as preservatives | Ralf Gradtke, Anne Gückel | 2022-08-02 |
| 10836658 | Liquid preparation for the reduction of free oxygen and the preservation of water | Ralf Gradtke, Wolfgang Beilfuss, Michael Streek | 2020-11-17 |
| 10640714 | Use of compositions having a content of 3,3′-methylenebis(5-methyloxazolidine) in the removal of sulphur compounds from process streams | Wolfgang Beilfuss, Ralf Gradtke, Stefanie Krause, Michael Streek, Joachim Thiede +1 more | 2020-05-05 |
| 10584283 | Preservative for technical products | Wolfgang Beilfuss, Ralf Gradtke | 2020-03-10 |
| 10519144 | Condensation product of 1-amino-2-propanol and formaldehyde and the use thereof for reducing the amount of hydrogen sulphide in liquids and gases | Wolfgang Beilfuss, Ralf Gradtke, Klaus Weber | 2019-12-31 |
| 9212331 | Additive mixture for the bactericidal and anticorrosive additization of fuels | Wolfgang Beilfuss, Ralf Gradtke, Ingo Krull | 2015-12-15 |
| 8864853 | Additive mixture for the bactericidal and anticorrosive additization of fuels | Wolfgang Beilfuss, Ralf Gradtke, Ingo Krull | 2014-10-21 |
| 8765657 | Antimicrobially effective use solutions comprising combinations of isothiazolones and amines | Wolfgang Beilfuss, Ralf Gradtke, Ingo Krull | 2014-07-01 |
| 8592358 | Storage-stable, synergistic microbicidal concentrates containing an isothiazolone, an amine and an oxidizing agent | Wolfgang Beilfuss, Ralf Gradtke, Ingo Krull | 2013-11-26 |