Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4999438 | Process for the reduction of the polymer portion in the dimerization of ketene | Renzo Bergmin, Wilhelm Quittmann | 1991-03-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4999438 | Process for the reduction of the polymer portion in the dimerization of ketene | Renzo Bergmin, Wilhelm Quittmann | 1991-03-12 |