Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674358 | Repulping wet strength paper and paperboard with persulfate and a carbonate buffer | — | 1997-10-07 |
| 5656699 | Oligoamide-epichlorohydrin resins as drainage aids | Sunil P. Dasgupta | 1997-08-12 |