3 Chemical Development and Catalysis, Solvias AG Rmerpark 2, CH-4303 Kaiseraugst Present address: Pharmaceuticals Division Chemical Development Supply F. Hoffmann-La Roche AG.
4 Swissi Process Safety GmbH Schwarzwaldallee 215, CH-4002 Basel.
5 HESSO Haute cole spcialise de Suisse occidentale Haute cole d'ingnierie et d'architecture de Fribourg Institut ChemTech, Bd Prolles 80, CH1700 Fribourg.