Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773939 | Use of insoluble soil collectors for at least partial regeneration of laundering and cleaning solutions | Alfred Meffert, Andreas Syldatk, Ingo Wegener | 1988-09-27 |
| 4761249 | Soil-collecting cleaning enhancers in aqueous surfactant laundering and cleaning solutions | Karl Giede, Horst Hoeffkes, Alfred Meffert, Andreas Syldatk, Johann F. Fues | 1988-08-02 |
| 4608189 | Detergents and liquid cleaners free of inorganic builders | Karlheinz Koch, Ingo Wegener | 1986-08-26 |
| 4590237 | Foam regulators containing paraffin hydrocarbons and hydrophobic silica | Juan C. Wuhrmann, Wolfgang Seiter, Edmund Schmadel | 1986-05-20 |