Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5708089 | Mixtures of fluoropolymers and oxidized polyarylene sulfides | Helmut Scheckenbach, Jurgen Kulpe, Bernd Jansen | 1998-01-13 |
| 5691427 | Process for the surface oxidation of polyarylene thioethers | Helmut Scheckenbach, Jorg Von Eysmondt, Georg Frank | 1997-11-25 |
| 5688908 | Process for the preparation of aromatic sulfur-containing polymers | Michael Haubs, Thorsten Niklas | 1997-11-18 |
| 5670569 | Crosslinked molding compositions comprising polyarylene sulfides and polyarylene sulfoxides, process for their preparation and their use | Helmut Scheckenbach | 1997-09-23 |
| 5646202 | Polyarylene sulfide molding composition | Jan-Peter Piesold, Klaus Kohlhepp | 1997-07-08 |
| 5593594 | Ter material and process for removing ozone from gases and liquids | Heinz Strutz, Dietrich Fleischer, J urgen Kulpe | 1997-01-14 |
| 5575302 | Filter for removing nitrogen oxides from tobacco smoke | Erich Blocker | 1996-11-19 |
| 5496917 | Two-stage oxidation of polyarylene sulfides | Dietrich Fleischer, Heinz Strutz, Ju/ rgen Kulpe | 1996-03-05 |
| 5496916 | Process for oxidizing polyarylene compounds containing thioether groups | Dietrich Fleischer, Heinz Strutz, Ju/ rgen Kulpe | 1996-03-05 |
| 5466738 | Mixtures of liquid crystalline copolymers and fluorothermoplastics, and use thereof | Michael C. Romer, Peter Stamprech | 1995-11-14 |
| 5423902 | Filter material and process for removing ozone from gases and liquids | Heinz Strutz, Dietrich Fleischer, Jurgen Kulpe | 1995-06-13 |
| 5366663 | Mixtures of liquid crystalline copolymers, polyether imides and compatibilizers and use thereof | Michael C. Romer | 1994-11-22 |