Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599326 | Inhibition of pulp and paper yellowing using hydroxylamines and other coadditives | Raymond Seltzer, David Devore, Glen T. Cunkle, Cyril Heitner, John Schmidt +2 more | 2003-07-29 |
| 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 |
| 6254724 | 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 | 2001-07-03 |