Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4260704 | Resins based on novolaks, their production and their use as tackifiers | Manfred Schmidt, Dieter Freitag, Hermann Fries, Erich Esch | 1981-04-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4260704 | Resins based on novolaks, their production and their use as tackifiers | Manfred Schmidt, Dieter Freitag, Hermann Fries, Erich Esch | 1981-04-07 |