Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640946 | Polyvinyl alcohol based wax-free size composition | Donald A. Vassallo | 1987-02-03 |
| 4495245 | Inorganic fillers modified with vinyl alcohol polymer and cationic melamine-formaldehyde resin | — | 1985-01-22 |