Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6140428 | Simultaneous production of dicarboxylic acids and diamines by splitting polyamides into their monomeric constituents | Ursula Seeliger, Wolfgang Mueller, Frank Heimann, Guenther Huber, Hartwig Voss +1 more | 2000-10-31 |
| 5430143 | Preparation of metal phthalocyanines by reacting ortho-dinitriles with metal complexes | Joachim Kranz | 1995-07-04 |
| 5258106 | Electrolysis of alkali metal sulfates | Werner Bochnitschek, Johann Fritzmann, Peter Hammes, Theo Proll, Walter Weisbrodt | 1993-11-02 |
| 5217900 | Biological reactor | Ernst-Heinrich Pommer, Peter Hammes | 1993-06-08 |
| 5164091 | Removal of metal ions from process wastewaters | Guenther Huber, Walter Goesele, Rolf Klassen | 1992-11-17 |
| 5106479 | Metal/metal oxide electrode for determing chlorine | Axel Anderlohr, Wolfgang Steiner | 1992-04-21 |
| 4913780 | Redox electrode for determining nitrous acid and nitrosyl compounds | Peter Hammes, Reinhard Messlinger, Manered Munzinger, Helmut Froehlich | 1990-04-03 |
| 4828718 | Catalytic degradation of oxidizable organic and inorganic compounds in waters | Hubert Engelhardt, Wolfgang Geiger, Udo Mayer, Peter Hammes, Werner Simmler | 1989-05-09 |
| 4775451 | Preparation of water-soluble food-grade triphenylmethane colors | Odo Mayer, Peter Hammes, Bernd Landmann | 1988-10-04 |
| 4696749 | Oxidative treatment of wastewaters | Peter Hammes, Hubert Engelhardt, Wolfgang Geiger, Walter Haltrich, Werner Simmler | 1987-09-29 |
| 4670360 | Fuel cell | Ernst-Heinrich Pommer, Peter Hammes, Hubert Engelhardt, Wolfgang Geiger, Werner Simmler +1 more | 1987-06-02 |
| 4645579 | Preparation of aqueous hydroxylamine solutions | Franz-Josef Weiss, Peter Hammes, Elmar Frommer, Erwin Thomas, Peter Thoma | 1987-02-24 |
| 4601800 | Preparation of aqueous solutions of hydroxylammonium carbonate | Franz-Josef Weiss, Peter Hammes, Josef Ritz, Erwin Thomas, Peter Thoma | 1986-07-22 |
| 4466867 | Production of blue iron hexacyanoferrate-III pigments | Peter Hammes, Joachim Felger, Karl-Ludwig Hock, Friedrich Brunnmueller, Helmut Knittel +3 more | 1984-08-21 |
| 4451339 | Preparation of blue iron hexacyanoferrate-III pigments, and the pigments obtained | Joachim Kranz, Harry Distler, Helmut Knittel, Karl-Ludwig Hock, Fritz Brunnmueller +1 more | 1984-05-29 |
| 4212725 | Electrodes for electrolysis purposes | Peter Thoma, Klaus Wintermantel | 1980-07-15 |