Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4599395 | Thermotropic, aromatic polyesters having good mechanical strength, containing sulfonic acid groups or metal sulfonate groups a process for the production thereof | Manfred Schmidt, Mark W. Witman, Aziz El-Sayed | 1986-07-08 |
| 4564669 | Thermotropic aromatic polyesters having a high tenacity and an improved melt viscosity, and mouldings, filaments, fibres and films thereof | Manfred Schmidt, Aziz El-Sayed, Ulrich Biskup, Ludwig Bottenbruch, Dieter Freitag | 1986-01-14 |
| 4536561 | Thermotropic, wholly aromatic polyesters | Manfred Schmidt | 1985-08-20 |