Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5433827 | Method for the deacidification of papers and books | Anthony M. Scallan, Steven Middleton, Xuejun Zou | 1995-07-18 |
| 4431479 | Process for improving and retaining pulp properties | Michel Barbe, Rajinder S. Seth | 1984-02-14 |