Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500303 | Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives | Raymond Seltzer, Jean-Pierre Wolf, Cyril Heitner, John Schmidt, Glen T. Cunkle +1 more | 2002-12-31 |
| 6447644 | Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives | Raymond Seltzer, Jean-Pierre Wolf, Cyril Heitner, John Schmidt, Glen T. Cunkle +1 more | 2002-09-10 |