Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6858758 | Method for producing bisphenols | Tony van Osselaer, Werner Verhoeven | 2005-02-22 |
| 6761828 | Process for the reduction of concentration of nitrates and/or nitrogen-containing compounds by means of SO2 | Jürgen Heuser, Werner Verhoeven, Gabriel Denecker | 2004-07-13 |
| 6675844 | Method of loading moist, sticky bulk material into a fluid pervious container | Lutz Gottschalk, Georg Ronge, Johannes-Peter Schafer, Dirk Müller, Michael Prein +1 more | 2004-01-13 |
| 6288284 | Method for producing bis(4-hydroxyaryl)alkanes | Rob Eek, Kaspar Hallenberger, Christine Mendoza-Frohn, Georg Ronge, Gerhard Fennhoff +1 more | 2001-09-11 |
| 6045696 | Process for the purification of waste waters containing organic and inorganic sulphur compounds | Armand Verbueken, Werner Verhoeven, Wilhelm Nehoda | 2000-04-04 |
| 5015456 | Removal of nitrate and/or organic pollutants from effluents | Armand Verbueken, Roland Putseys | 1991-05-14 |
| 4986742 | Process for the production of high-grade titanium dioxide by sulfate method | Gabriel Denecker, Werner Verhoeven, Joel Leuridan | 1991-01-22 |
| 4971776 | Process for the recovery of NO from the waste gas resulting from the production of ammonium nitrite | Luc Van Royen, Roland Putseys, Willy Van Herck, Robert Pype | 1990-11-20 |
| 4944929 | Process for the removal of nitrogen oxide from flue gases | Luc Van Royen, Roland Putseys, Willy Van Herck, Robert Pype, Karl Brandle | 1990-07-31 |
| 4762931 | Process for the work-up of the mother liquors from the preparation of benzothiazole compounds | Gabriel Denecker, Jean-Marie Biot, Tony van Osselaer, Jan de Roos, Pol Bamelis | 1988-08-09 |
| 4292043 | Process for working up effluent containing ammonium sulphate | Gabriel Denecker, Roland Putseys, Willy Van Herck, Ludo Claes, Georg Spott | 1981-09-29 |