Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362573 | Use of zirconium salts to improve the surface sizing efficiency in paper making | Dan van Calcar, Bernard W. Wolff | 1994-11-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362573 | Use of zirconium salts to improve the surface sizing efficiency in paper making | Dan van Calcar, Bernard W. Wolff | 1994-11-08 |