Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797780 | Microgel-containing rubber compounds with phosphoryl polysulfides and vulcanizates or shaped articles prepared therefrom | Werner Obrecht, Winfried Jeske, Ludger Heiliger | 2004-09-28 |
| 6761832 | Process for the production of dithiophosphoric acid polysulfide mixtures | Ludger Heiliger, Alfred Pauli, Joachim Hegmann, Clemens Schudok | 2004-07-13 |
| 6750275 | Vulcanizable rubber mixes | Ludger Heiliger, Thomas Kleiner, Hermann-Josef Weidenhaupt, Robert Hans Schuster, Joachim Kiesekamp | 2004-06-15 |