Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800682 | Gluing, sealing and coating compound | Udo Windhoevel, Hartmut Urbath, Helmuth Loth, Wolfgang Klauck, Johann Klein | 2004-10-05 |
| 6726798 | Polystyrene binders | Michael Dziallas, Klaus Helpenstein, Wolfgang Klauck, Johann Klein, Helmut Loth +2 more | 2004-04-27 |
| 6653428 | Copolymers with amphiphilic sub-units, a method for producing the same and the use thereof | Johann Klein, Thomas Moeller, Klaus Friedrich | 2003-11-25 |
| 6531563 | Polymer based on a conjugated diene and a dienophilic component | Johann Klein, Wolfgang Klauck | 2003-03-11 |