Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354020 | Continuous preparation of polycaprolactam in vertical tubular reactor | Paul Matthies, Guenter Valentin, Werner Hoerauf | 1982-10-12 |
| 4251653 | Manufacture of nylon by adding liquid diamine to aqueous polyamide forming salt solution | Albrecht Eckell, Paul Matthies, Georg Pilz | 1981-02-17 |
| 4233234 | Continuous manufacture of an aqueous solution of a salt of an alkanedicarboxylic acid and an alkanediamine | Paul Duffner, Ernst Dietl, Georg Pilz, Gerhard Thiel | 1980-11-11 |
| 4213884 | Manufacture of a highly concentrated aqueous solution of a dicarboxylic acid diamine salt and a nylon precondensate | Albrecht Eckell, Paul Matthies, Georg Pilz | 1980-07-22 |