Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6235150 | Method for producing pulp and paper with calcium carbonate filler | Steven Middleton, Josée DESMEULES | 2001-05-22 |
| 5433827 | Method for the deacidification of papers and books | Derek H. Page, Steven Middleton, Xuejun Zou | 1995-07-18 |
| 4510020 | Lumen-loaded paper pulp, its production and use | Harold V. Green, Thomas J. Fox | 1985-04-09 |