Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5981655 | Process for preparing TPU molding compositions | Herbert Heidingsfeld, Bernhard Schulte, Wolfgang Brauer, Friedemann Muller, Hans-Georg Hoppe +2 more | 1999-11-09 |
| 5936018 | Melt-processable polyurethanes containing special wax mixtures | Friedemann Muller, Wolfgang Brauer, Herbert Heidingsfeld, Hans-Georg Hoppe, Jurgen Winkler +2 more | 1999-08-10 |
| 5795948 | Multistage process for production of thermoplastic polyurethane elastomers | Herbert Heidingsfeld, Wolfgang Brauer, Friedemann Muller | 1998-08-18 |
| 5760133 | Process for preparing TPU molding compositions | Herbert Heidingsfeld, Bernhard Schulte, Wolfgang Brauer, Friedemann Muller, Hans-Georg Hoppe +2 more | 1998-06-02 |
| 5696205 | Process for preparing TPU molding compositions | Friedemann Muller, Wolfgang Brauer, Hans-Georg Hoppe, Hans-Georg Wussow, Herbert Heidingsfeld +2 more | 1997-12-09 |
| 5545707 | Multistage process for producing thermoplastic polyurethane elastomers | Herbert Heidingsfeld, Wolfgang Brauer, Friedemann Muller | 1996-08-13 |
| 5536781 | Process for the preparation of plastics containing thermoplastic polyurethanes | Herbert Heidingsfeld, Jurgen Winkler | 1996-07-16 |
| 5455312 | Process for the preparation of plastics containing thermoplastic polyurethanes | Herbert Heidingsfeld, Jurgen Winkler | 1995-10-03 |
| 4968430 | Composite membranes, processes for their preparation and their use | Karlheinz Hildenbrand, Rolf Dhein, Dittmar Nerger | 1990-11-06 |