Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5384390 | Flame-retardant, high temperature resistant polyimide fibers and process for producing the same | Claus Peter Schobesberger, Klaus Weinrotter, Sigrid Seidl | 1995-01-24 |
| 5120814 | Method of producing new flame-retardant thermostable homopolyimides, these homopolyimides, a moulded article obtained therefrom and a fibre prouced from these homopolyimides | Sigrid Seidl, Klaus Weinrotter | 1992-06-09 |