Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624988 | Process for the production of polymer-bound rubber chemicals | Armin Bauer, Hans-Joachim Graf, Anton Hartmayer, Harald Kleinknecht, Rene Loix +1 more | 1997-04-29 |
| 5565599 | Stabilised dithiophosphoric acid polysulphides | Hans-Joachim Graf, Lothar Steger, Klaus Kn orr, Hartmut Schulz, Thomas Scholl +2 more | 1996-10-15 |
| 5563240 | Poly [2,5-bis(polysulphano)-1,3,4-thiadiazoles] | Hans-Joachim Graf, Kurt Schilling, Clemens Schudok | 1996-10-08 |