Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797465 | Wholly aromatic mesomorphic polyether esters and the preparation thereof | Gerd Blinne, Hans-Josef Sterzel | 1989-01-10 |
| 4788272 | Wholly aromatic mesomorphic polyester amide imides and the preparation thereof | Bernd Hisgen, Rolf Steinberger | 1988-11-29 |
| 4786706 | Liquid-crystalline polycondensates which contain urea derived linking groups | Hans-Jakob Kock, Bernd Hisgen | 1988-11-22 |
| 4764582 | Wholly aromatic thermotropic polyesters | Bernd Hisgen, Hans-Jakob Kock, Erhard Seiler, Gerd Blinne | 1988-08-16 |
| 4762906 | Wholly aromatic mesomorphic polyether ester imide and the preparation thereof | Bernd Hisgen, Gerd Blinne | 1988-08-09 |
| 4752630 | Thermoplastic polymer materials containing molecular inorganic reinforcing fibers | Hans-Josef Sterzel | 1988-06-21 |
| 4751128 | Fully aromatic thermotropic polyesters | Bernd Hisgen, Hans-Jakob Kock, Erhard Seiler, Gerd Blinne | 1988-06-14 |
| 4749769 | Fully aromatic mesomorphic polyesters and their preparation | Hans-Jakob Kock, Bernd Hisgen, Jurgen Mertes | 1988-06-07 |
| 4749770 | Wholly aromatic mesomorphic polyesters and their preparation | Hans-Jakob Kock, Bernd Hisgen, Juergen Mertes | 1988-06-07 |
| 4748229 | Fully aromatic thermotropic polyesters | Bernd Hisgen, Hans-Jakob Kock, Erhard Seiler, Gerd Blinne | 1988-05-31 |
| 4731432 | Completely aromatic polyesters and their preparation | — | 1988-03-15 |
| 4728713 | Wholly aromatic mesomorphic polyester imides and the preparation thereof | Bernd Hisgen, Udo Reiter | 1988-03-01 |
| 4728715 | Wholly aromatic polyesters and preparation thereof | Hans-Jakob Kock, Juergen Hambrecht | 1988-03-01 |
| 4722993 | Wholly aromatic mesomorphic polyester amides and the preparation thereof | Bernd Hisgen, Hans-Josef Sterzel | 1988-02-02 |
| 4665150 | Epoxy resin mixtures | Helmut Tesch, Herbert Stutz, Gerhard Heinz | 1987-05-12 |
| 4631328 | Polymers containing mesogenic groups and dye radicals in the side chains | Helmut Ringsdorf, Hans-Werner Schmidt, Karl-Heinz Etzbach | 1986-12-23 |
| 4293435 | Liquid-crystalline polymer phase having a cholesteric structure, processes for its preparation and its use | Heino Finkelmann, Helmut Ringsdorf | 1981-10-06 |