Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5811198 | Acid functional and epoxy functional polyester resins | Jan Freriks, Petrus G. Kooijmans, Gerrit G. Rosenbrand | 1998-09-22 |
| 5739213 | Acid functional and epoxy functional polyester resins | Jan Freriks, Petrus G. Kooijmans, Gerrit G. Rosenbrand | 1998-04-14 |