Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448208 | Liquid polyfunctional additives | Paul Dubs, Roger Martin, Stephan Allenbach, Marc Ribeaud | 2002-09-10 |
| 6417358 | Process for the preparation of 3-aryl-benzofuranones | Michael Tinkl, Peter Nesvadba | 2002-07-09 |
| 6407231 | Process for the preparation of a mixture of alkylated phenothiazines and diphenylamines | Stephan Allenbach, Paul Dubs | 2002-06-18 |
| 6362278 | Functionalized polymers | Rudolf Pfaendner, Heinz Herbst, Kurt Hoffmann, Alfred Steinmann | 2002-03-26 |
| 6362138 | Heterocyclic thioethers as additives for lubricants | Hugo Camenzind, Alfred Dratva, Peter Hänggi | 2002-03-26 |
| 6359148 | 3-arylbenzofuranones as stabilizers | Peter Nesvadba, Christoph Krohnke, Jurg Zingg | 2002-03-19 |
| 6346630 | 3-Arylbenzofuranones as stabilizers | Peter Nesvadba, Christoph Krohnke, Jurg Zingg | 2002-02-12 |