Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7662900 | Method for producing polyisobutene | Volker Seidl, Carolin Nadine Duecker, Alexandra Wiedemann, Thomas Wettling, Uwe Rachwalsky +4 more | 2010-02-16 |
| 6844467 | Method for the production of glyceric acid | Georg Heinrich Grosch, Peter Neumann, Arend Jouke Kingma | 2005-01-18 |
| 5258106 | Electrolysis of alkali metal sulfates | Wolfgang Habermann, Johann Fritzmann, Peter Hammes, Theo Proll, Walter Weisbrodt | 1993-11-02 |
| 5158974 | Preparation of N-alkyl- and N,N-dialkyldiaminoethanes | Andreas Hohmann, Wolfgang Reuther | 1992-10-27 |
| 5130476 | Preparation of .beta.-alaninediacetic acid or its alkali metal or ammonium salts | Richard Baur, Charalampos Gousetis, Wolfgang Trieselt, Alfred Oftring | 1992-07-14 |
| 5068416 | Preparation of .beta.-alaninediacetic acid or its alkali metal or ammonium salts | Richard Baur, Charalampos Gousetis, Wolfgang Trieselt, Alfred Oftring | 1991-11-26 |
| 4997587 | Washing and cleaning agents containing .beta.-alanine-N,N-diacetic acid | Richard Baur, Charalampos Gousetis, Wolfgang Trieselt, Alfred Oftring | 1991-03-05 |
| 4952332 | Detergents that contain acyl derivatives of dihydroxydioxane as bleach activators | Rolf Fikentscher, Alfred Oftring, Gerold Braun, Johannes Perner, Ulrich Kaluza +1 more | 1990-08-28 |
| 4827014 | 2-Hydroxy-3-aminopropionic-n,n-diacetic acid and derivatives thereof, preparation thereof, and detergents containing same | Richard Baur, Felix Richter, Stefan Birnbach, Rolf Fikentscher, Alfred Oftring +1 more | 1989-05-02 |