Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690790 | Temporary wet strength paper | David Jay Smith | 1997-11-25 |
| 5656746 | Temporary wet strength polymers from oxidized reaction product of polyhydroxy polymer and 1,2-disubstituted carboxylic alkene | David Jay Smith | 1997-08-12 |