Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489519 | Process for removal of impurities from phenol by means of at least one acid catalyst | Heinrich van Barneveld, Wilfried Jordan, Otto Schnurr, Hugo H. J. M. Liefooche | 2002-12-03 |
| 6307112 | Process for preparing phenol and acetone by acid-catalyzed cleavage of cumene hydroperoxide | Manfred Weber, Michael Kleine-Boymann, Werner Pompetzki, Reinhard Sigg, Christian Michalik +1 more | 2001-10-23 |
| 6303825 | Method of starting up loop reactor systems in which at least one exothermic reaction is to be carried out | Michael Kleine-Boymann, Hermann Schmidt, Juergen Volke | 2001-10-16 |
| 6299783 | Process for cleaning up wastewaters from the hock process | Werner Pompetzki, Dietmar Ahrens | 2001-10-09 |
| 6225513 | Process for the production of phenol and acetone from cumene | Vladimir Michailovitch Zakoshansky, Irina I. Vasilieva, Andrei Konstantinovitch Griaznov, Youry Nikolaevitch Youriev, Heinrich Van Barnefeld +3 more | 2001-05-01 |