Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6504060 | Continuous process for the preparation of diaminodicyclohexylmethane | Rolf Bunnenberg, Michael Holzbrecher, Andreas Schulze Tilling | 2003-01-07 |
| 6387189 | Surface-cleaning method | Torsten Groth, Volker Hassmann, Jürgen Horn, Ingo Janisch, Winfried Joentgen +2 more | 2002-05-14 |
| 6187195 | Inhibition and delay of deposit formation in membrane processes | Wolfgang Zarges, Torsten Groth, Winfried Joentgen | 2001-02-13 |
| 5976324 | Removal of water from reaction mixtures | Adolf Winkler, Josef Bremen | 1999-11-02 |
| 5648517 | Process for the preparation of dialkyl maleates | Nikolaus Muller, Ingo Janisch | 1997-07-15 |
| 5504239 | Process for separating off alkanols from other organic compounds of higher carbon number | Wolf Mehl, Wolfgang Scheinert, Ingo Janisch | 1996-04-02 |