Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369207 | Preparation of low-viscosity, isocyanurate and urethane group-containing polyisocyanate mixtures | Stefan Wolff, Hans Renz | 1994-11-29 |
| 4778854 | Binders for the preparation of polyurethane finishes | Rainer Blum, Maria G. Szucsanyi, Rolf Osterloh, Hans Sander | 1988-10-18 |