Issued Patents 1994
Showing 1–1 of 1 patents
| 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 |
Showing 1–1 of 1 patents
| 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 |