Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5486642 | Process for the production of carbonic acid esters | Robert Becker | 1996-01-23 |
| 5136013 | Process for the production of low-melting polymers containing at least one Z-configured stilbene group | Dieter Arlt, Axel Bader, Volker Eckhardt, Karsten-Josef Idel | 1992-08-04 |
| 5053477 | Process for the production of aromatic polyether ketones | Sabine Kern, Joachim Genz, Volker Eckhardt, Karsten-Josef Idel | 1991-10-01 |
| 4954604 | Process for the production of aromatic polyether ketones | Joachim Genz, Hans-Rudolf Dicke, Volker Eckhardt | 1990-09-04 |
| 4835243 | Thermotropic aromatic polymers with high elongation at break, processes for their preparation and their use for the production of moulded articles, filaments, fibres and films | Volker Eckhardt, Hans-Rudolf Dicke, Erich Hammerschmidt, Ludwig Bottenbruch, Heinz U. Blank | 1989-05-30 |
| 4701554 | Process for the preparation of polyphosphonic acid amides | Hermann Kauth, Manfred Schmidt, Dieter Freitag, Udo Rudolph | 1987-10-20 |
| 4640970 | Process for the production of polyamide imides | Wilfried Zecher, Klaus Reinking | 1987-02-03 |
| 4581441 | Mixtures of special cycloaliphatic 1,2-diepoxides and their use | Rolf Kubens, Heinrich Heine | 1986-04-08 |
| 4529666 | Plasticized polyvinyl alcohol | Herbert Salzburg, Klaus Reinking | 1985-07-16 |
| 4515925 | Polycarbonate/polybutylene terephthalate film | Rolf Kubens, Eckart Reese, Joachim Wank | 1985-05-07 |
| 4367186 | Process for the preparation of modified polycarbonate molding compositions | Siegfried Adelmann, Dieter Margotte, Werner Nouverine | 1983-01-04 |
| 4366276 | Flame-resistant moulding materials based on thermoplastic aromatic polyesters and polyesters carbonates, a process for their production and their use in the production of moulded bodies | Dieter Freitag, Werner Nouvertne, Klaus Reinking, Peter Tacke, Manfred Schmidt | 1982-12-28 |
| 4301212 | Scratch-resistant and weather-resistant laminates based on polycarbonate | Wolfgang Cohnen, Gerhard Kranz | 1981-11-17 |
| 4269964 | Polycarbonates with alkylphenyl end groups, their preparation and their use | Dieter Freitag, Werner Nouvertne, Claus Burkhardt | 1981-05-26 |
| 4252922 | Polycarbonate molding compositions with improved resilience properties | Siegfried Adelmann, Dieter Margotte, Werner Nouvertne, Manfred Schreckenberg | 1981-02-24 |
| 4208489 | Polycarbonate molding compositions with improved flame-repellency | Manfred Schmidt, Wolfgang Cohnen, Dieter Freitag, Karsten-Josef Idel | 1980-06-17 |